Definition for Uncertain:

• especially in the negative" no uncertain," as in" spoke in no uncertain terms"

Synonyms for Uncertain:

• adj.

  •at issue (adjective)
  • controversial.
  •chance (adjective)
  • fluky.
  •chancy (adjective)
  • iffy,
  • causeless,
  • accidental,
  • hit-or-miss,
  • haphazard,
  • coin toss,
  • potluck,
  • random,
  • risky,
  • aimless,
  • lucky.
  •changeable (adjective)
  • mutable,
  • changeful,
  • shifting,
  • flighty.
  •changing (adjective)
  • vacillating.
  •circumstantial (adjective)
  • indirect,
  • presumptive,
  • episodic,
  • landmark,
  • inconclusive,
  • occasional,
  • inferential,
  • incidental,
  • eventual.
  •conflicting (adjective)
  • ambivalent.
  •dangerous (adjective)
  • hairy,
  • unsafe,
  • perilous.
  •disbelieving (adjective)
  • wary,
  • disbelieving,
  • doubting,
  • cynical,
  • skeptical,
  • Distrusting.
  •doubtful, changeable (adjective)
  • insecure,
  • hesitant,
  • fitful,
  • indistinct,
  • indeterminate,
  • hanging by a thread,
  • unconfirmed,
  • unresolved,
  • wavering,
  • hazy,
  • questionable.
  •equivocal (adjective)
  • equivocal,
  • double-entendre,
  • misleading.
  •fallible (adjective)
  • in question.
  •flickering (adjective)
  • flickering.
  •hairy (adjective)
  • scary.
  •irregular (adjective)
  • nonuniform,
  • unpunctual,
  • unmethodical,
  • unsystematic.
  •irresolute (adjective)
  • spineless,
  • indecisive,
  • yellow,
  • weak-kneed,
  • Flitting,
  • shy,
  • halfhearted,
  • irresponsible,
  • shifty,
  • shrinking,
  • volatile,
  • capricious,
  • wishy-washy,
  • dillydallying,
  • double-minded,
  • fly-by-night,
  • tentative,
  • Shilly-shally,
  • fickle,
  • watery,
  • Half-hearted,
  • impulsive,
  • infirm,
  • insipid,
  • unwilling.
  •loose (adjective)
  • adrift.
  •obscure (adjective)
  • puzzling.
  •opaque (adjective)
  • opaque,
  • Amphibological.
  •provisory (adjective)
  • provisory.
  •queasy (adjective)
  • fidgety.
  •rocky (adjective)
  • rickety.
  •self-conscious (adjective)
  • self-conscious.
  •shaky (adjective)
  • unsupported.
  •spasmodic (adjective)
  • spastic.
  •tottery (adjective)
  • tottery.
  •unanswered (adjective)
  • in doubt.
  •uncertain (adjective)
  • deniable,
  • mysterious,
  • moot,
  • confused.
  •unsubstantiated (adjective)
  • hard to believe.

• n.

  •
  • bewildered,
  • sceptical,
  • hypothetical.
  •
  • ill at ease.
  •
  • unsteady,
  • various.
  •
  • freakish,
  • fantastical,
  • temperamental,
  • fantastic,
  • mercurial.
  •uncertain (noun)
  • groping,
  • unsealed,
  • incertain,
  • flukey.

• v.

  •confused (verb)
  • muddled.

• Other synonyms:

  •
  • irregular,
  • strange,
  • introverted,
  • unidentified,
  • undetermined,
  • alterable,
  • undisclosed,
  • undiscovered,
  • unsuspected,
  • unforeseeable,
  • unknowable,
  • unexplored,
  • unspecified,
  • contested,
  • unheard,
  • dubitable,
  • unrecorded,
  • questioning,
  • demure,
  • unfamiliar,
  • dangerous,
  • Mootable,
  • unacknowledged,
  • unremarked,
  • unexplained,
  • inconceivable.
  •
  • awkwardly,
  • exceptionable,
  • arbitrary,
  • shaky,
  • nameless,
  • inconstant,
  • unpredictable,
  • invisible,
  • hidden,
  • unheralded,
  • unsolved,
  • inferior.
  •
  • unmarked,
  • wobbly,
  • variant.
  •
  • mystery,
  • fluid,
  • lost,
  • cloudy,
  • modest,
  • shady.
  •
  • awkward.
  •
  • dark.
  •formless
  • shapeless.
  •glassy
  • slippery.
  •in dispute
  • issue.
  •indistinct
  • unrecognizable.
  •polemical
  • polemic.
  •puzzled
  • Stumped.
  •unproven
  • unverified.
  •vague
  • obscure.

Paraphrases for Uncertain:

• Equivalence

  • Adjective
    doubtful, unsafe, unknown, ambiguous, indeterminate.

• Forward Entailment

  • Adjective
    certain.

• Independent

  • Adjective
    untrue, imprecise, unspecified, clear, sure, indefinite, elusive, unlikely, Unsecure, difficult, inaccurate, unidentified, problematic, unambiguous, blurred, unaware, randomized, definite, fuzzy, destabilizing, counterfactual, unaccounted, debatable, unexplained, undisclosed, suspect, sceptical, risky, unexpected.

• Other Related

  • Adjective
    unclear, insecure, precarious, unconfirmed, unpredictable, questionable, unstable, undetermined, unsettled, vague, unconvinced, unreliable, undefined, dubious, undecided, ill-defined, equivocal, unsure, hesitant, volatile, shaky, uncertainty, fragile, unspecific, unfamiliar, unforeseeable, tenuous, confident, tentative, random, inconclusive, hypothetical, uneasy, confused, erratic, inconsistent, indecisive, confusing, unequivocal, suspicious, opaque, unsteady, fluid, murky, uncharted, secure.
  • Proper noun, singular
    unsure, uncertainty, Uncertainties.

Antonyms for Uncertain:

• adj.

  • all
    certain.
  • doubtful, changeable
    settled, predictable, foreseeable, decided, trustworthy, reliable, secure, undoubted, unchanging, definite, clear, resolved, determined, safe, sure.
  • Other antonyms:
    manifest, bound, changeless, unquestioned, indisputable, destined, distinct, constant, unchangeable, decisive, stable, obvious, trusty, uniform, tried, lasting, tried and true, foreordained, assured, dependable, unequivocal, in for, self-assured, fated, persistent, sealed, durable, stationary, predestined, invariable, plain, evident, predestinate, indubitable, sure as shooting, equable, doomed, abiding, steady, true, immutable, even, unquestionable, lucid, permanent, sanguine, convinced, perspicuous.