What are the opposite words for sure?
Sure is an adjective that means certain or confident. Its antonym, unsure, means uncertain or doubtful. When you are unsure, you lack confidence in something, and you may feel hesitant or indecisive. A synonym for unsure is doubtful or hesitant. Other antonyms for the word sure include uncertain, vague, unclear, and hesitant. These words imply that there is a lack of clarity or confidence in something. People may feel unsure about a decision they have to make, an opinion they hold, or a situation they are in. It is essential to be aware of antonyms for words like sure to ensure clear communication.
Table of Contents
- open
- chance
- chancy
- changeable
- changing
- cautious
- conflicting
- equivocal
- weak
- unsubstantiated
- confused
- infinite
- rough
- critical
- opaque
- shady
- disbelieving
- skeptical
- dangerous
- incredulous
- unreliable
- ambivalent
- approximate
- at issue
- borderline
- controversial
- dizzy
- doubtful
- dubious
- erratic
- faint
- fallible
- fictitious
- hesitant
- iffy
- inconsistent
- indecisive
- leery
- noncommittal
- out of focus
- outside
- precarious
- puzzled
- questionable
- self-conscious
- shaky
- tentative
- tenuous
- touch-and-go
- treacherous
- troubled
- unanswered
- unbelieving
- unconvincing
- undefined
- undetermined
- unpredictable
- unsure
- up in the air
- vague
- volatile
- wobbly
- woozy
- ambiguous
- apprehensive
- changeful
- contingent
- cryptic
- debatable
- distrustful
- fluky
- fuzzy
- hazy
- hypothetical
- inconclusive
- indefinite
- indeterminate
- indistinct
- inevitable
- inexact
- insecure
- lukewarm
- mercurial
- moot
- nervous
- perilous
- reluctant
- risky
- suspicious
- torn
- touchy
- unclear
- undecided
- uneasy
- unresolved
- unsafe
- unsettled
- unsound
- unstable
- unsteady
- all
- asserted, often doubtful
- having more than one meaning
- anxious, fearful
- subject
- illusory/illusive
- careful, guarded
- dangerous, risky
- conditional; possible
- urgently important
- secret; obscure in meaning
- hazardous, troubling
- alleged
- certain, definite
- questionable, unclear
- doubtful, uncertain
- unpredictable; wandering
- having little effect on senses
- able or prone to err
- untrue, made-up
- dangerous, unpredictable
- uncertain, waiting
- contradictory, irregular
- uncertain, indefinite
- ambiguous, vague
- uncertain, vague
- obscure, ambiguous
- uncertain, worried
- indifferent, unenthusiastic
- confused, obscure
- unwilling to decide
- unfastened, unclosed
- tricky, doubtful
- open to doubt
- unenthusiastic, unwilling
- disbelieving, leery
- cut open
- at the mercy of; answerable
- conditional, experimental
- weak, thin
- easily offended
- complicated, difficult
- not refuted
- doubtful, changeable
- not clear
- not convincing
- not sure, not definite
- not determined
- not trustworthy, not true
- uncertain; not settled
- bothered, upset
- not well; flimsy
- questionable, unproven
- doubtful, insecure
- not definite or clear
- explosive, changeable
- not strong
- Other relevant words
- Other antonyms
-
open
- dehiscent,
- getable,
- lay on the line,
- unbolted,
- unburdened,
- uncluttered,
- undisguised,
- unstopped,
- upfront,
- Patulous,
- Ringent,
- Securable,
- Unshut,
- nondiscriminatory,
- Undissembled,
- on deck,
- lay it on the line,
- be had,
- dis closed,
- dis interested,
- dis-closed,
- dis-interested,
- ex tended,
- ex tensive,
- ex-tended,
- in nocent,
- in-nocent,
- lay it on line,
- lay it the line,
- lay line,
- lay on line,
- made passable,
- more agape,
- more dehiscent,
- more disclosed,
- more emptied,
- more expanded,
- more getable,
- more patulous,
- more peeled,
- more rent,
- more ringent,
- more securable,
- more unbarred,
- more unbolted,
- more unburdened,
- more uncluttered,
- more undisguised,
- more unfolded,
- more unfurled,
- more unplugged,
- more unshut,
- more up front,
- more up-front,
- more upfront,
- most agape,
- most dehiscent,
- most disclosed,
- most emptied,
- most expanded,
- most getable,
- most nondiscriminatory,
- most patulous,
- most peeled,
- most rent,
- most revealed,
- most ringent,
- most unbolted,
- most unburdened,
- most uncluttered,
- most undisguised,
- most undissembled,
- most unfolded,
- most unfurled,
- most unplugged,
- most unsealed,
- most unshut,
- most unstopped,
- most up front,
- most up-front,
- most upfront,
- most yawning,
- non discriminatory,
- not posted,
- on level,
- open and shut,
- opendoor,
- re moved,
- spread out,
- trans parent,
- trans-parent,
- un barred,
- un biased,
- un bolted,
- un burdened,
- un cluttered,
- un concealed,
- un conditional,
- un covered,
- un disguised,
- un dissembled,
- un folded,
- un furled,
- un impeded,
- un locked,
- un obstructed,
- un occupied,
- un prejudiced,
- un qualified,
- un restricted,
- un sealed,
- un shut,
- un stopped,
- un-barred,
- un-blocked,
- un-burdened,
- un-cluttered,
- un-concealed,
- un-conditional,
- un-disguised,
- un-dissembled,
- un-folded,
- un-furled,
- un-impeded,
- un-locked,
- un-obstructed,
- un-occupied,
- un-plugged,
- un-prejudiced,
- un-qualified,
- un-reserved,
- un-restricted,
- un-shut,
- un-stopped,
- up-front,
- well known,
- wellknown,
- yet be decided,
- yet to be decided.
- chance
- chancy
-
changeable
- changeful,
- commutative,
- flighty,
- mercurial,
- mutable,
- reversible,
- revocable,
- shifting,
- transformable,
- transitional,
- unpredictable,
- unsteady,
- Permutable,
- in-constant,
- more changeful,
- more commutative,
- more permutable,
- more reversible,
- more revocable,
- more shifting,
- more transformable,
- more transitional,
- more vagrant,
- most changeful,
- most commutative,
- most permutable,
- most reversible,
- most revocable,
- most shifting,
- most transformable,
- most transitional,
- most vagrant,
- re vocable,
- re-vocable,
- trans formable,
- trans-formable,
- un-steady,
- unsteadiest.
- changing
-
cautious
- forethoughtful,
- on the lookout,
- all ears,
- fore thoughtful,
- fore-thoughtful,
- hedging one bets,
- hedging one's bets,
- hedging ones bets,
- keeping on one toes,
- keeping on one's toes,
- keeping on ones toes,
- keeping on toes,
- keeping one toes,
- keeping ones toes,
- keeping toes,
- more forethoughtful,
- more pussyfoot,
- most forethoughtful,
- most pussyfoot,
- on lookout,
- playing cool,
- playing it cool,
- taking easy,
- taking it easy,
- thinking twice,
- walking eggs,
- walking on eggs,
- watching ones step,
- watching step,
- with eyes peeled,
- with one eyes peeled,
- with ones eyes peeled.
- conflicting
- equivocal
- weak
- unsubstantiated
- confused
- infinite
- rough
-
critical
- all-important,
- Exceptive,
- high-priority,
- all important,
- allimportant,
- de terminative,
- de-terminative,
- highpriority,
- more all important,
- more exceptive,
- more highpriority,
- most all important,
- most all-important,
- most allimportant,
- most exceptive,
- most high priority,
- most high-priority,
- most highpriority.
- opaque
- shady
- disbelieving
- skeptical
- dangerous
- incredulous
- unreliable
- ambivalent
- approximate
- at issue
- borderline
-
controversial
- contestable,
- debatable,
- in dispute,
- Doubtable,
- Controvertible,
- open to discussion,
- open to question,
- debateable,
- more contended,
- more contestable,
- more controvertible,
- more debateable,
- more disputed,
- most contended,
- most controvertible,
- most debateable,
- most doubtable,
- open discussion,
- under discussion.
- dizzy
-
doubtful
- dubious,
- unconvinced,
- unstable,
- up for grabs,
- of two minds,
- in a quandary,
- on thin ice,
- not following,
- dis composed,
- dis concerted,
- dis reputable,
- dis-composed,
- dis-concerted,
- dis-reputable,
- far fetched,
- in clouds,
- in dilemma,
- in quandary,
- more agnostic,
- more baffled,
- more discomposed,
- more faltering,
- more flustered,
- more impugnable,
- more questioning,
- more unconfirmed,
- more unconvinced,
- most agnostic,
- most baffled,
- most discomposed,
- most faltering,
- most flustered,
- most impugnable,
- most questioning,
- most unconfirmed,
- most unconvinced,
- un confirmed,
- un convinced,
- un-convinced,
- without belief.
-
dubious
- unassured,
- untrusty,
- Trustless,
- dis inclined,
- dis-inclined,
- fly by night,
- more trustless,
- more unassured,
- most trustless,
- most unassured,
- un assured,
- un dependable,
- un likelier,
- un likeliest,
- un likely,
- un trustier,
- un trustiest,
- un trustworthy,
- un trusty,
- un-assured,
- un-dependable,
- un-likelier,
- un-likeliest,
- un-likely,
- un-trustier,
- un-trustiest,
- un-trustworthy,
- un-trusty,
- untrustier,
- untrustiest.
- erratic
-
faint
- out of earshot,
- far off,
- ill defined,
- illdefined,
- in audible,
- in-audible,
- low pitched,
- lowpitched,
- more aside,
- more bated,
- more bleached,
- more blurred,
- more deadened,
- more muted,
- more muttering,
- more piano,
- more stifled,
- most aside,
- most bated,
- most bleached,
- most deadened,
- most murmuring,
- most muted,
- most muttering,
- most piano,
- most softened,
- most stifled,
- out earshot,
- re-mote.
- fallible
-
fictitious
- trumped-up,
- hyped up,
- cooked-up,
- cookedup,
- dis honest,
- dis-honest,
- figmental,
- in vented,
- in-vented,
- makebelieve,
- more concocted,
- more cooked up,
- more cooked-up,
- more cookedup,
- more created,
- more fabricated,
- more faked,
- more figmental,
- more trumped up,
- more trumped-up,
- more trumpedup,
- most concocted,
- most cooked up,
- most cooked-up,
- most cookedup,
- most created,
- most fabricated,
- most faked,
- most figmental,
- most trumped up,
- most trumped-up,
- most trumpedup,
- trumpedup,
- un-real.
- hesitant
- iffy
- inconsistent
-
indecisive
- astraddle,
- weak-kneed,
- wishy-washy,
- hemming and hawing,
- hemming hawing,
- hot and cold,
- hot cold,
- in decisive,
- in-decisive,
- more astraddle,
- more waffling,
- more weak kneed,
- more weak-kneed,
- more weakkneed,
- most astraddle,
- most waffling,
- most weak kneed,
- most weak-kneed,
- most weakkneed,
- on fence,
- un determined,
- weak kneed,
- weakkneed,
- wishy washy,
- wishywashy.
- leery
-
noncommittal
- unrevealing,
- Middle-ground,
- non-committal,
- buttoned up,
- clammed up,
- hush hush,
- hushhush,
- in communicable,
- in-communicable,
- middleground,
- more even steven,
- more even-steven,
- more middle ground,
- more middle-ground,
- more on the fence,
- more on-the-fence,
- more temporizing,
- more unrevealing,
- more zipped,
- most even-steven,
- most evensteven,
- most middle ground,
- most middle-ground,
- most middleground,
- most on the fence,
- most on-the-fence,
- most temporizing,
- most unrevealing,
- most zipped,
- non committal,
- on-the-fence,
- re served,
- re strained,
- re-served,
- re-strained,
- un-revealing.
- out of focus
- outside
- precarious
-
puzzled
- at a loss,
- at sea,
- clueless,
- come apart,
- mystified,
- unglued,
- bollixed,
- in a fog,
- at loss,
- be wildered,
- be-wildered,
- come unzipped,
- in fog,
- mind blown,
- mind-blown,
- mindblown,
- more bollixed,
- more clueless,
- more floored,
- more mind blown,
- more mind-blown,
- more mindblown,
- more mystified,
- more nonplussed,
- more rattled,
- more unglued,
- most bollixed,
- most clueless,
- most floored,
- most mind blown,
- most mind-blown,
- most mindblown,
- most mystified,
- most nonplussed,
- most rattled,
- most unglued,
- mucked up,
- shooker,
- shookest,
- un glued,
- un-glued,
- without a clue,
- without clue.
- questionable
- self-conscious
-
shaky
- jellylike,
- shaky,
- unfirm,
- unsupported,
- wobbly,
- jerrybuilt,
- tremorous,
- all aquiver,
- aquake,
- ashake,
- in firm,
- in firmer,
- in firmest,
- in-firmer,
- in-firmest,
- jerry built,
- more ashake,
- more jellylike,
- more quaking,
- more tremorous,
- more unsupported,
- most ashake,
- most jellylike,
- most quaking,
- most tremorous,
- most unsupported,
- not dependable,
- not reliable,
- not set,
- un firm,
- un firmer,
- un firmest,
- un supported,
- un-firm,
- un-firmer,
- un-firmest,
- un-supported,
- unfirmer,
- unfirmest.
- tentative
- tenuous
- touch-and-go
- treacherous
-
troubled
- in a tizzy,
- be set,
- be-set,
- dis pleased,
- dis-pleased,
- ex acerbated,
- ex-acerbated,
- in tizzy,
- more aggravated,
- more beset,
- more chagrined,
- more exacerbated,
- more harrowed,
- more inconvenienced,
- more mortified,
- more pestered,
- more plagued,
- more riled,
- more tortured,
- most aggravated,
- most chagrined,
- most exacerbated,
- most harrowed,
- most inconvenienced,
- most irked,
- most mortified,
- most pestered,
- most plagued,
- most riled,
- most tortured,
- worried stiff.
- unanswered
- unbelieving
- unconvincing
- undefined
- undetermined
- unpredictable
- unsure
- up in the air
- vague
- volatile
- wobbly
-
woozy
- slap-happy,
- punchdrunk,
- off balance,
- be fuddled,
- be mused,
- be-fuddled,
- be-mused,
- light headed,
- more dazzled,
- more slap happy,
- more slap-happy,
- more slaphappy,
- more staggered,
- most dazzled,
- most slap happy,
- most slap-happy,
- most staggered,
- punch drunk,
- seeing stars,
- slap happy,
- weak in knees,
- weak in the knees,
- weak knees,
- weak the knees.
- ambiguous
-
apprehensive
- jellyfish,
- Butterflies,
- scaredy-cat,
- in a dither,
- biting nails,
- dis quieted,
- dis-quieted,
- feel bones,
- feel in bones,
- fore boding,
- fore-boding,
- get vibes,
- have a hunch,
- have funny feeling,
- have stage fright,
- in a cold sweat,
- in cold sweat,
- in dither,
- in sweat,
- lily livered,
- lilylivered,
- mis trustful,
- mis-trustful,
- more butterflies,
- more disquieted,
- more foreboding,
- more jellyfish,
- more scaredy cat,
- more scaredy-cat,
- more scaredycat,
- most butterflies,
- most disquieted,
- most foreboding,
- most jellyfish,
- most scaredy cat,
- most scaredy-cat,
- most scaredycat,
- running scared,
- scaredy cat,
- up tight,
- up-tight.
- changeful
- contingent
- cryptic
- debatable
- distrustful
- fluky
- fuzzy
- hazy
-
hypothetical
- refutable,
- Conjecturable,
- hypo thetical,
- hypo-thetical,
- more conjecturable,
- more postulated,
- more presupposed,
- more pretending,
- more refutable,
- more stochastic,
- most conjecturable,
- most postulated,
- most presupposed,
- most pretending,
- most refutable,
- most stochastic,
- pre supposed,
- pre tending,
- pre-supposed,
- pre-tending.
- inconclusive
-
indefinite
- imprecise,
- indeterminable,
- innumerable,
- unfixed,
- unspecific,
- in definite,
- in determinable,
- in exhaustible,
- in finite,
- in numerable,
- in tangible,
- in-definite,
- in-determinable,
- in-finite,
- in-numerable,
- in-tangible,
- more indeterminable,
- more unfixed,
- more unspecific,
- most imprecise,
- most indeterminable,
- most unfixed,
- most unspecific,
- un fixed,
- un known,
- un specific,
- un-fixed,
- un-known,
- un-limited,
- un-specific.
- indeterminate
- indistinct
- inevitable
- inexact
-
insecure
- rootless,
- unconfident,
- unshielded,
- Unpoised,
- open to attack,
- hanging by thread,
- in secure,
- in securer,
- in securest,
- in substantial,
- in-secure,
- in-securer,
- in-securest,
- in-substantial,
- more choked,
- more rootless,
- more unconfident,
- more unpoised,
- more unshielded,
- most choked,
- most rootless,
- most unconfident,
- most unpoised,
- most unshielded,
- open attack,
- un confident,
- un guarded,
- un poised,
- un shielded,
- un-confident,
- un-guarded,
- un-poised,
- un-protected,
- un-shielded.
- lukewarm
-
mercurial
- flipper,
- quicksilver,
- yo-yo,
- YOYO,
- bubbleheaded,
- flippest,
- more bubbleheaded,
- more quicksilver,
- more short fuse,
- more short-fuse,
- more yo yo,
- more yo-yo,
- more yoyo,
- most bubbleheaded,
- most quicksilver,
- most short fuse,
- most short-fuse,
- most shortfuse,
- most yo yo,
- most yo-yo,
- short-fuse,
- shortfuse,
- yo yo.
- moot
- nervous
- perilous
- reluctant
- risky
-
suspicious
- leery,
- in doubt,
- out of line,
- greeneyed,
- most suspecting,
- not born yesterday lookout,
- not born yesterday on lookout,
- not born yesterday on the lookout,
- not born yesterday the lookout,
- not kosher,
- out line,
- re aching,
- re-aching,
- rings untrue,
- un common,
- un commoner,
- un commonest,
- un-common,
- un-commoner,
- without faith,
- won't wash,
- wont wash.
-
torn
- fractured,
- more cleaved,
- more gashed,
- more lacerated,
- more ripped,
- more ruptured,
- more severed,
- more slashed,
- more slit,
- more snapped,
- more split,
- most burst,
- most cleaved,
- most fractured,
- most gashed,
- most lacerated,
- most mangled,
- most ripped,
- most ruptured,
- most severed,
- most slashed,
- most sliced,
- most slit,
- most split,
- most wrenched.
-
touchy
- hypersensitive,
- pettish,
- Perturbable,
- bad tempered,
- badtempered,
- bundle nerves,
- bundle of nerves,
- hyper-sensitive,
- more hypersensitive,
- more oversensitive,
- more perturbable,
- more pettish,
- most hypersensitive,
- most oversensitive,
- most perturbable,
- most pettish,
- most splenetic,
- quicktempered,
- thin skinned,
- thinskinned.
- unclear
- undecided
-
uneasy
- anguished,
- on the qui vive,
- palpitant,
- all nerves,
- in turmoil,
- dis mayed,
- dis-mayed,
- more anguished,
- more dismayed,
- more harassed,
- more tormented,
- more vexed,
- most anguished,
- most dismayed,
- most harassed,
- most tormented,
- most vexed,
- on qui vive,
- un easier,
- un easiest,
- un easy,
- un quiet,
- un-easier,
- un-easiest,
- un-quiet,
- un-quietest.
- unresolved
- unsafe
- unsettled
-
unsound
- flawed,
- unbacked,
- in poor health,
- de ranged,
- de-ranged,
- dis eased,
- dis-eased,
- in correct,
- in sane,
- in saner,
- in sanest,
- in valid,
- in-sane,
- in-saner,
- in-valid,
- more unbacked,
- most unbacked,
- un backed,
- un hinged,
- un sound,
- un sounder,
- un substantial,
- un-backed,
- un-hinged,
- un-sound,
- un-sounder,
- un-soundest,
- un-substantial.
- unstable
- unsteady
- all
- asserted, often doubtful
- having more than one meaning
- anxious, fearful
-
subject
- Substract,
- at feet,
- at one feet,
- at one's feet,
- at ones feet,
- bound by,
- dis posed,
- dis-posed,
- in danger of,
- more enslaved,
- more satellite,
- more subaltern,
- more subjugated,
- more substract,
- most enslaved,
- most subaltern,
- most subjugated,
- most substract,
- most under,
- pro-nest,
- sub altern,
- sub best,
- sub missive,
- sub ordinate,
- sub-altern,
- sub-best,
- sub-ordinate,
- subbest.
- illusory/illusive
- careful, guarded
- dangerous, risky
- conditional; possible
- urgently important
- secret; obscure in meaning
- hazardous, troubling
- alleged
- certain, definite
- questionable, unclear
- doubtful, uncertain
- unpredictable; wandering
- having little effect on senses
- able or prone to err
- untrue, made-up
- dangerous, unpredictable
- uncertain, waiting
- contradictory, irregular
- uncertain, indefinite
- ambiguous, vague
- uncertain, vague
- obscure, ambiguous
- uncertain, worried
- indifferent, unenthusiastic
- confused, obscure
- unwilling to decide
-
unfastened, unclosed
- open.
- tricky, doubtful
- open to doubt
- unenthusiastic, unwilling
- disbelieving, leery
-
cut open
- torn.
- at the mercy of; answerable
- conditional, experimental
- weak, thin
- easily offended
- complicated, difficult
- not refuted
- doubtful, changeable
- not clear
- not convincing
- not sure, not definite
- not determined
- not trustworthy, not true
- uncertain; not settled
- bothered, upset
- not well; flimsy
- questionable, unproven
- doubtful, insecure
- not definite or clear
- explosive, changeable
-
not strong
- weak.
-
Other relevant words
- groping,
- academic,
- answerable,
- apocryphal,
- avoidable,
- baseless,
- careless,
- controversial,
- counterfeit,
- deceitful,
- diffident,
- dishonest,
- disloyal,
- disputable,
- disputed,
- exploded,
- fabulous,
- faithless,
- fallible,
- fictitious,
- groping,
- hesitant,
- hypothetical,
- improbable,
- inconclusive,
- indecisive,
- lying,
- mendacious,
- negotiable,
- perfidious,
- preventable,
- questionable,
- recreant,
- refutable,
- speculative,
- spurious,
- theoretical,
- traitorous,
- treacherous,
- unassuming,
- unauthorized,
- unconfirmed,
- unfaithful,
- unlikely,
- unsafe,
- untried,
- untrue,
- untrusty,
- untruthful,
- vacillating,
- wavering,
- Contradictable,
- evadable.
- Other antonyms
Antonym of the day
hefemale
- Antonyms:
- shemale.
