Synonyms for Unpredictable:

• adj.

  •aimless (adjective)
  • most unguided,
  • more vagrant,
  • most drifting,
  • in-discriminate,
  • un planned,
  • most undirected,
  • more drifting,
  • most vagrant,
  • un-planned,
  • more undirected,
  • more bits and pieces,
  • most goalless,
  • more goalless,
  • un-predictable,
  • most bits and pieces,
  • more objectless,
  • un-availing,
  • in decisive,
  • un directed,
  • most bits-and-pieces,
  • un predictable,
  • in-decisive,
  • more unguided,
  • fits starts,
  • un guided,
  • most objectless,
  • flighty,
  • un-directed,
  • most directionless,
  • un availing,
  • more directionless,
  • more bits-and-pieces,
  • in discriminate,
  • un-guided.
  •all (adjective)
  • unpredictable.
  •balky (adjective)
  • in flexible,
  • un-manageable,
  • most negativistic,
  • obstinate,
  • in-tractable,
  • in-flexible,
  • un manageable,
  • in-disposed,
  • in tractable,
  • stubborn,
  • in disposed,
  • immovable,
  • more negativistic,
  • un bending,
  • un-bending.
  •capricious (adjective)
  • up and down,
  • flaky,
  • notional,
  • mutable,
  • yo-yo,
  • quirky,
  • any way the wind blows,
  • Humorsome,
  • changeful,
  • oddest,
  • YOYO,
  • Vagarious.
  •chancy (adjective)
  • Fluctuant.
  •changeable (adjective)
  • fluky,
  • up for grabs,
  • chance,
  • from left field,
  • random,
  • touch and go,
  • doubtful,
  • hanging by a thread,
  • commutative,
  • reversible,
  • transformable,
  • iffy,
  • revocable,
  • transitional,
  • shifting,
  • unforeseeable,
  • Permutable,
  • fluctuating.
  •contingent (adjective)
  • more probably,
  • un-foreseen,
  • more unanticipated,
  • de-pendent,
  • un anticipated,
  • most unanticipated,
  • un-foreseeable,
  • un foreseen,
  • un-anticipated,
  • de pendent,
  • un foreseeable.
  •delicate (adjective)
  • most hair trigger,
  • most hair-trigger,
  • hair-trigger,
  • most hairtrigger,
  • more hairtrigger,
  • more hair-trigger,
  • more hair trigger,
  • hair trigger.
  •hesitant (adjective)
  • dis inclined,
  • doubting,
  • more faltering,
  • de laying,
  • more dawdling,
  • dis-inclined,
  • most faltering,
  • Half-hearted,
  • more uneager,
  • un eager,
  • un sure,
  • de-laying,
  • most uneager,
  • un-sure,
  • most dawdling,
  • un-willing,
  • half hearted,
  • un willing,
  • un-eager.
  •iffy (adjective)
  • in lap of gods.
  •impulsive (adjective)
  • ADLIB,
  • hot-and-cold,
  • hot and cold,
  • unprompted,
  • gone off deep end,
  • ad lib,
  • Unmeditated.
  •incalculable (adjective)
  • more jillion,
  • no end to,
  • most unfixed,
  • in-finite,
  • in finite,
  • un told,
  • innumerable,
  • in numerable,
  • more unfixed,
  • in estimable,
  • most jillion,
  • most unreckonable,
  • more zillion,
  • in-calculable,
  • un reckonable,
  • un-fixed,
  • most zillion,
  • un fixed,
  • more unreckonable,
  • in-estimable,
  • un-reckonable,
  • unreckonable,
  • in-numerable,
  • un-told,
  • in calculable.
  •incomputable (adjective)
  • in-computable,
  • in computable.
  •incongruent (adjective)
  • in-congruent,
  • in congruent.
  •incongruous (adjective)
  • un becoming,
  • in aptest,
  • more disconsonant,
  • un suited,
  • dis-consonant,
  • more inapropos,
  • un-intelligible,
  • un connected,
  • mis-matched,
  • un-suitable,
  • in congruous,
  • in-aptest,
  • in-appropriate,
  • in-compatible,
  • most disconsonant,
  • in apropos,
  • illogical,
  • un-coordinated,
  • un-balanced,
  • un coordinated,
  • un-even,
  • in appropriate,
  • in-apter,
  • in-congruous,
  • out keeping,
  • dis consonant,
  • in-coherent,
  • mis matched,
  • more mismatched,
  • un-related,
  • in compatible,
  • un related,
  • un suitable,
  • un even,
  • un-becoming,
  • un-suited,
  • most mismatched,
  • in-apropos,
  • in apter,
  • most inapropos,
  • un-connected.
  •inconsistent (adjective)
  • in consistent,
  • dis-sonant,
  • in-consistent,
  • out step,
  • dis sonant.
  •irresponsible (adjective)
  • in-cautious,
  • ill-considered,
  • most uncareful,
  • illconsidered,
  • most unanswerable,
  • more unanswerable,
  • un answerable,
  • fly by night,
  • noaccount,
  • un-accountable,
  • un-answerable,
  • in cautious,
  • un careful,
  • ill considered,
  • un accountable,
  • no account,
  • more uncareful,
  • un-careful,
  • un-trustworthy.
  •mercurial (adjective)
  • more bubbleheaded,
  • shortfuse,
  • more short fuse,
  • flippest,
  • more shortfuse,
  • more short-fuse,
  • most shortfuse,
  • most short fuse,
  • most short-fuse,
  • irrepressible,
  • most bubbleheaded.
  •off the wall (adjective)
  • more schizo,
  • un-conventional,
  • most schizo,
  • un conventional,
  • non conforming,
  • off wall,
  • off the wall,
  • offcenter,
  • out left field,
  • Non-conforming,
  • more schizoid,
  • off center,
  • most schizoid.
  •slippery (adjective)
  • in-securest,
  • in-secure,
  • twofaced,
  • un-safest,
  • un safest,
  • un safe,
  • in securest,
  • in-securer,
  • dis honest,
  • un-safer,
  • in secure,
  • dis-honest,
  • in securer,
  • un safer,
  • un-safe,
  • two faced.
  •surprising (adjective)
  • extra ordinary.
  •temperamental (adjective)
  • easily upset,
  • head-strong,
  • hyper,
  • in bad mood,
  • hypersensitive.
  •touchy (adjective)
  • more pettish,
  • over-sensitive,
  • bundle nerves,
  • most pettish,
  • quicktempered,
  • most oversensitive,
  • over sensitive,
  • wired up,
  • more oversensitive,
  • more perturbable,
  • most perturbable,
  • up-tight,
  • up tight,
  • most splenetic,
  • oversensitive,
  • badtempered,
  • bad tempered.
  •uncertain (adjective)
  • unconfirmed,
  • on thin ice,
  • hanging by thread.
  •uncountable (adjective)
  • un-countable,
  • un countable.
  •undependable (adjective)
  • more unassured,
  • un-dependable,
  • most trustless,
  • more trustless,
  • nogood,
  • most unassured,
  • un-assured,
  • un assured,
  • un dependable,
  • bummest,
  • trickest.
  •unexpected (adjective)
  • most eye-opening,
  • eye opening,
  • most unlookedfor,
  • more unlooked-for,
  • more eye-opening,
  • un heralded,
  • instantaneous,
  • more eyeopening,
  • most eyeopening,
  • more eye opening,
  • most unlooked-for,
  • not cards,
  • most unlooked for,
  • more payback,
  • un expected,
  • un-expected,
  • not in cards,
  • not the cards,
  • most payback,
  • more unlooked for,
  • un-heralded,
  • most eye opening,
  • more unlookedfor,
  • unlookedfor,
  • eyeopening.
  •unsettled (adjective)
  • un easy,
  • un nerved,
  • dis orderly,
  • most unnerved,
  • un-easier,
  • un quieter,
  • unnerved,
  • most unpeaceful,
  • more rattled,
  • un-peaceful,
  • un quiet,
  • most rattled,
  • un-quietest,
  • un peaceful,
  • un-restful,
  • un-settled,
  • more unpeaceful,
  • more unrestful,
  • un restful,
  • un-nerved,
  • un settled,
  • dis-orderly,
  • un-easiest,
  • un quietest,
  • un-quieter,
  • un easiest,
  • more unnerved,
  • un-quiet,
  • un easier,
  • most unrestful.
  •unstable (adjective)
  • un-stable,
  • un stable.
  •unstable/unsteady (adjective)
  • most teetering,
  • un steadiest,
  • Teetering,
  • un-stabler,
  • un stabler,
  • un-stablest,
  • more teetering,
  • un steady,
  • un-steadier,
  • un-steadiest,
  • unsteadiest,
  • most weaving,
  • un-steady,
  • wigglier,
  • un stablest,
  • un steadier,
  • wiggliest,
  • more weaving.
  •vacillant (adjective)
  • shillyshally.
  •wacky (adjective)
  • hare-brained,
  • zany.
  •wayward (adjective)
  • dis obedient,
  • in subordinate,
  • selfwilled,
  • in-subordinate,
  • most self-willed,
  • in-corrigible,
  • un compliant,
  • more cross grained,
  • most cross-grained,
  • most selfwilled,
  • most self willed,
  • more self-willed,
  • self indulgent,
  • more self willed,
  • self willed,
  • more crossgrained,
  • in corrigible,
  • most cross grained,
  • dis-obedient,
  • cross grained,
  • most crossgrained,
  • un-compliant,
  • un-governable,
  • more selfwilled,
  • selfindulgent,
  • more cross-grained.
  •whimsical (adjective)
  • un-usual,
  • un usual.

• n.

  •
  • evolutionary,
  • quicksilver,
  • cosmetic,
  • radically,
  • gradual,
  • gradually,
  • developmental,
  • radical,
  • drastic,
  • away.
  •
  • erratic,
  • volatile,
  • fantastic,
  • continue,
  • inconstant,
  • fantastical,
  • variable,
  • ticklish,
  • unsteady,
  • change,
  • temperamental.
  •aleatory (noun)
  • aleatory.
  •episodic (noun)
  • episodic.
  •freakish (noun)
  • freakish.
  •indeterminable (noun)
  • indeterminable.
  •irregular (noun)
  • irregular.
  •undeterminable (noun)
  • undeterminable.
  •unpredictable (noun)
  • sporadic,
  • occasional.

• Other synonyms:

  •
  • unreliable,
  • fallible.
  •
  • mercurial,
  • arbitrary.
  •Other relevant words:
  • involuntary,
  • uncaused,
  • instinctive,
  • seismic,
  • faithless,
  • Unsteadfast,
  • moody,
  • ugly,
  • unprovable,
  • shifty,
  • bizarre,
  • insecure,
  • dizzy,
  • unverifiable,
  • desultory,
  • irresolute,
  • risky,
  • unprepared,
  • ever-changing,
  • coseismal,
  • obscure,
  • odd,
  • ambiguous,
  • uncontrolled,
  • flirtatious,
  • speculative,
  • sceptical,
  • offhand,
  • scatterbrained,
  • intractable,
  • unconvinced,
  • rare,
  • uncontrollable,
  • extraordinary,
  • anybody's guess,
  • shaky,
  • Unreasoned,
  • Indemonstrable,
  • incidental,
  • Vicissitudinary,
  • unpredictably,
  • unparalleled,
  • undisciplined,
  • aberrant,
  • lawless,
  • faddish,
  • versatile,
  • casual,
  • fatal,
  • tergiversating,
  • unprepared for,
  • independent,
  • strong-willed,
  • spontaneous,
  • headstrong,
  • debatable,
  • sensitive,
  • untaught,
  • varying,
  • queer,
  • recalcitrant,
  • inflammable,
  • wavery,
  • incorrigible,
  • in the balance,
  • undecided,
  • Chancey,
  • infirm,
  • coquettish,
  • unforeseen,
  • flickery,
  • serendipitous,
  • rogue,
  • vagrant,
  • causeless,
  • wavy,
  • precarious,
  • rarely vacillant,
  • agnostic,
  • intermittent,
  • Vicissitudinous,
  • unascertainable,
  • temporary,
  • unschooled,
  • irrational,
  • Flitting,
  • hit-or-miss,
  • roving,
  • one shot,
  • patchy,
  • tricky,
  • questionable,
  • difficult,
  • fraught with danger,
  • unconsidered,
  • fluid,
  • disobedient,
  • vague,
  • restless,
  • hot,
  • untrained,
  • problematic,
  • madcap,
  • accidental,
  • shapeless,
  • conjectural,
  • critical,
  • disputable,
  • hazardous,
  • indefinite,
  • sudden,
  • rambling,
  • contumacious,
  • headlong,
  • undivined,
  • out-of-the-way,
  • unique,
  • unaccountable,
  • chameleon-like,
  • precipitate,
  • rampageous,
  • explosive,
  • disloyal,
  • wishy-washy,
  • unpredicted,
  • Unstaid,
  • freaky,
  • anxious,
  • adventitious,
  • lucky,
  • unpersuaded,
  • nasty,
  • wanton,
  • fatidic,
  • open to question,
  • Vacillatory,
  • extemporaneous,
  • freak,
  • wayward,
  • strange,
  • fitful,
  • skeptical,
  • giddy,
  • tense,
  • wild,
  • devil-may-care,
  • unruly,
  • exceptional,
  • chameleonic,
  • unclear,
  • anomalous,
  • spasmodic,
  • fanciful,
  • skittish,
  • shuffling,
  • fractious,
  • uneducated,
  • unsure,
  • unmanageable,
  • afloat,
  • crotchety,
  • equivocal,
  • quick,
  • wilful,
  • hairy,
  • unheralded,
  • treacherous,
  • charged,
  • unsound,
  • haphazard,
  • ungovernable,
  • light,
  • in doubt,
  • fortuitous,
  • snap,
  • uneven,
  • unorthodox,
  • fraught,
  • unpractised,
  • changing,
  • parlous,
  • vacillating,
  • dickey,
  • flickering,
  • unlucky,
  • wavering,
  • tottery,
  • foolhardy,
  • dodgy,
  • labile,
  • perilous,
  • bad,
  • untrustworthy,
  • one-off,
  • rocky,
  • reckless,
  • unannounced,
  • unfaithful,
  • spineless,
  • Unguessed,
  • alternating,
  • indeterminate,
  • hazy,
  • unplanned,
  • unresolved,
  • indecisive,
  • weird,
  • unpremeditated,
  • emotional,
  • dicky,
  • frivolous,
  • without warning,
  • naughty,
  • unhealthy,
  • abnormal,
  • unsafe,
  • atypical,
  • untutored,
  • wandering,
  • mazy,
  • refractory,
  • adrift,
  • toying,
  • unusual,
  • protean,
  • coincidental,
  • amorphous,
  • spur-of-the-moment,
  • unexpected,
  • dangerous,
  • rash,
  • polysemous,
  • unrestrained,
  • undetermined,
  • improbable,
  • hesitating,
  • Destinal,
  • immediate,
  • dubious,
  • underground,
  • impetuous,
  • subjective,
  • maverick.

Paraphrases for Unpredictable:

• Equivalence

  • Adjective
    unforeseeable.
  • Verb, non-3rd person singular present
    unforeseeable.

• Forward Entailment

  • Adjective
    predictable.

• Independent

  • Adjective
    unintended, foreseeable, uncontrolled, unreliable, unscheduled, precarious, unknown, inconsistent, unclear, randomized, unsettled, sudden, Predicable.

• Other Related

  • Adjective
    unforeseen, erratic, unanticipated, incalculable, uncertain, unpredicted, volatile, wayward, unexpected, unplanned, unstable, uncontrollable, random, impromptu, unsure, anticipated.
  • Proper noun, singular
    unexpected.

Antonyms for Unpredictable:

• adj.

  • all
    predictable.
  • changeable
    definite, constant, unvarying, reliable, sure, unchanging, steady, stable, certain.
  • Other antonyms:
    determinable, invariable, abiding, permanent, equable, persistent, continual, lasting, tried, tried and true, trusty, durable, trustworthy, unchangeable, even, immutable, uniform, dependable.