Synonyms for Impetuous:

• adj.

  •abrupt (adjective)
  • un-civil,
  • gruff,
  • dis courteous,
  • un gracious,
  • matter-of-fact,
  • snappy,
  • un-gracious,
  • dis-courteous,
  • un civil,
  • short,
  • shortest.
  •acting without thinking (adjective)
  • Subitaneous,
  • rushing,
  • unrestrained,
  • eager,
  • violent,
  • impassioned,
  • swift,
  • unreflecting,
  • unbridled,
  • ardent,
  • restive,
  • going off deep end,
  • spur-of-the-moment,
  • unplanned,
  • vehement,
  • unpremeditated,
  • fervid,
  • unexpected.
  •all (adjective)
  • impetuous.
  •blind (adjective)
  • reckless.
  •boisterous (adjective)
  • un restrained,
  • dis orderly,
  • most vociferant,
  • tumultoustumultuous,
  • most brawling,
  • more vociferant,
  • un-restrained,
  • tumultous tumultuous,
  • tumultous-tumultuous,
  • dis-orderly,
  • more brawling.
  •brash (adjective)
  • insolent,
  • most selfasserting,
  • un-diplomatic,
  • most self-asserting,
  • selfasserting,
  • self-assertive,
  • self assertive,
  • most self asserting,
  • in solent,
  • self asserting,
  • ill advised,
  • up pity,
  • flip,
  • pre sumptuous,
  • un diplomatic,
  • in discreet,
  • in-discreet,
  • illadvised,
  • selfassertive,
  • pre-sumptuous,
  • un tactful,
  • more self-asserting,
  • un-tactful,
  • nervy,
  • more selfasserting,
  • more self asserting,
  • up-pity,
  • flippest,
  • in-solent.
  •careless (adjective)
  • heedless.
  •desperate (adjective)
  • head strong,
  • most deathdefying,
  • scandalous,
  • more deathdefying,
  • deathdefying,
  • more death defying,
  • heinous,
  • death defying,
  • most death defying,
  • more death-defying,
  • headstrong,
  • most death-defying,
  • risky,
  • devil may care,
  • monstrous.
  •disobedient (adjective)
  • unruly.
  •emotional (adjective)
  • hot-blooded,
  • over-wrought,
  • temperamental,
  • heartwarming.
  •excitable (adjective)
  • hottempered,
  • Alarmable,
  • Hot-headed,
  • overzealous,
  • Agitable,
  • over-zealous,
  • mercurial,
  • volcanic,
  • galvanic,
  • fidgety,
  • excitable,
  • short fused.
  •explosive (adjective)
  • more detonative,
  • raging,
  • un stable,
  • most convulsive,
  • most fulminating,
  • un-stablest,
  • most fulminant,
  • un stablest,
  • most eruptive,
  • un stabler,
  • most detonative,
  • more eruptive,
  • ex plosive,
  • un-stable,
  • un-controllable,
  • at boiling point,
  • ex-plosive,
  • more fulminant,
  • un-stabler,
  • more fulminating,
  • more convulsive,
  • more detonating,
  • un controllable,
  • most detonating.
  •fierce (adjective)
  • Flipped,
  • enraged,
  • more tigerish,
  • in tenser,
  • more flipped,
  • un-tamed,
  • more brutish,
  • most flipped,
  • in-tensest,
  • most brutish,
  • in-tenser,
  • apest,
  • howling,
  • most tigerish,
  • most howling,
  • feller,
  • murderous,
  • fellest,
  • un tamed,
  • in tense,
  • untamed,
  • venomous,
  • more howling,
  • in-tense.
  •fiery (adjective)
  • most igneous,
  • most flaring,
  • in flamed,
  • most alight,
  • most ignited,
  • more ignited,
  • most aflame,
  • more igneous,
  • more aflame,
  • more flaring,
  • flickering,
  • more alight,
  • ignited,
  • in-flamed.
  •flighty (adjective)
  • un-steadiest,
  • un steadiest,
  • most dingdong,
  • most twit,
  • in constant,
  • most bubbleheaded,
  • most dingbat,
  • unsteadiest,
  • most airheaded,
  • more dingbat,
  • un steadier,
  • flighty,
  • un steady,
  • in-constant,
  • un-steadier,
  • more twit,
  • more dingdong,
  • empty headed,
  • more airheaded,
  • unsteady,
  • un-steady,
  • un-balanced,
  • more bubbleheaded.
  •furious (adjective)
  • most intensified,
  • most rampageous,
  • most blustering,
  • more intensified,
  • more blustering,
  • more rampageous.
  •hasty (adjective)
  • harefooted,
  • chop-chop,
  • slambang,
  • quick.
  •heedless (adjective)
  • dis regardful,
  • goofing off,
  • un caring,
  • in-advertent,
  • most irreflective,
  • fast loose,
  • most daydreaming,
  • un observant,
  • more irreflective,
  • un mindful,
  • more daydreaming,
  • dis-regardful,
  • unmindful,
  • un-mindful,
  • un-caring,
  • neglectful,
  • out to lunch,
  • in advertent,
  • un-observant,
  • in attentive,
  • asleep switch,
  • asleep the switch,
  • out lunch,
  • in-attentive.
  •hotheaded (adjective)
  • most shortfused,
  • more short-fused,
  • most short-fused,
  • more shortfused,
  • more short fused,
  • shortfused,
  • most short fused.
  •hurried (adjective)
  • hectic,
  • more subitaneous,
  • most subitaneous.
  •hysterical (adjective)
  • panicstricken,
  • most fuming,
  • more seething,
  • un nerved,
  • most seething,
  • unnerved,
  • panic stricken,
  • in-censed,
  • in censed,
  • more maddened,
  • more unnerved,
  • irrepressible,
  • in fit,
  • most maddened,
  • un-nerved,
  • most unnerved,
  • more fuming.
  •idealistic (adjective)
  • quixotic.
  •ill-considered (adjective)
  • illconsidered,
  • ill considered.
  •impatient (adjective)
  • un indulgent,
  • more unindulgent,
  • racing one motor,
  • thirsty,
  • racing ones motor,
  • more chafing,
  • most chafing,
  • un-indulgent,
  • most straining,
  • ripe,
  • more straining,
  • unindulgent,
  • most appetent,
  • on pins needles,
  • racing one's motor,
  • racing motor,
  • more appetent,
  • most unindulgent.
  •impulsive (adjective)
  • hot and cold,
  • ADLIB,
  • changeable,
  • hot-and-cold,
  • study at sudden,
  • ad lib,
  • unprompted,
  • gone off deep end,
  • Unmeditated.
  •incautious (adjective)
  • un vigilant,
  • more unalert,
  • sticking ones neck out,
  • sticking neck out,
  • more unvigilant,
  • most illjudged,
  • more foot-in-mouth,
  • sticking one neck out,
  • more fast-and-loose,
  • un-guarded,
  • injudicious,
  • more fast and loose,
  • most foot in mouth,
  • in-judicious,
  • un alert,
  • more foot in mouth,
  • more illjudged,
  • sticking one's neck out,
  • un-vigilant,
  • more ill judged,
  • un-watchful,
  • most fast and loose,
  • most ill-judged,
  • more unwatchful,
  • in-cautious,
  • most unalert,
  • un guarded,
  • un-alert,
  • in judicious,
  • most unvigilant,
  • ill judged,
  • most unwatchful,
  • most ill judged,
  • foot in mouth,
  • more ill-judged,
  • in cautious,
  • illjudged,
  • most fast-and-loose,
  • most foot-in-mouth,
  • un watchful.
  •indocile (adjective)
  • in docile,
  • in-docile.
  •jaunty (adjective)
  • pro-vocative,
  • most gamesome,
  • more prankish,
  • self confident,
  • most prankish,
  • impish,
  • pro vocative,
  • Gamesome,
  • joking,
  • more gamesome,
  • more swaggering,
  • hilarious,
  • perky,
  • most jocose,
  • selfconfident,
  • most swaggering,
  • high spirited.
  •passionate (adjective)
  • most highpressure,
  • high pressure,
  • more high-pressure,
  • most high-pressure,
  • more high pressure,
  • in-spiring,
  • high powered,
  • more highpressure,
  • most high pressure,
  • highpressure,
  • in spiring.
  •precipitous/precipitate (adjective)
  • harumscarum,
  • more unanticipated,
  • off the top head,
  • un-anticipated,
  • off top head,
  • harum scarum,
  • gone half cocked,
  • off the hip,
  • gone off half cocked,
  • un foreseen,
  • most unanticipated,
  • un-foreseen,
  • off the top of head,
  • gone half-cocked,
  • jump gun,
  • un anticipated,
  • most precipitate,
  • gone halfcocked,
  • gone off halfcocked,
  • off hip.
  •quick (adjective)
  • most expeditive,
  • more expeditive,
  • quickest,
  • post-haste,
  • ex press,
  • instantaneous,
  • ex-press,
  • lead out,
  • Expeditive,
  • post haste.
  •rampant (adjective)
  • un checked,
  • un bridled,
  • more rampaging,
  • pro-fuse,
  • un-bridled,
  • pre-dominant,
  • pro fuse,
  • pre dominant,
  • un-checked,
  • out control,
  • exceeding bounds,
  • on rampage,
  • on the rampage,
  • most rampaging.
  •short-spoken (adjective)
  • short spoken,
  • shortspoken.
  •spontaneous (adjective)
  • un-contrived,
  • un-compelled,
  • un compelled,
  • un-avoidable,
  • most unartful,
  • un-studied,
  • most uncontrived,
  • more uncontrived,
  • un-planned,
  • most unbidden,
  • un contrived,
  • in evitable,
  • un planned,
  • from hip,
  • un studied,
  • un forced,
  • un avoidable,
  • un-bidden,
  • more unbidden,
  • more unpremediated,
  • un conscious,
  • un-conscious,
  • un-artful,
  • un bidden,
  • un-forced,
  • un-intentional,
  • more unartful,
  • un intentional,
  • un constrained,
  • most unpremediated,
  • un sophisticated,
  • un artful,
  • in-evitable.
  •sudden (adjective)
  • flasher,
  • Subito.
  •unconsidered (adjective)
  • un considered,
  • un-considered.
  •unexpected (adjective)
  • un-heralded,
  • most electrifying,
  • most payback,
  • most eye-opening,
  • more unlooked for,
  • more unpredicted,
  • unlookedfor,
  • most unpredicted,
  • most eyeopening,
  • most unlooked-for,
  • most unlookedfor,
  • more eye opening,
  • not cards,
  • eye opening,
  • more unlookedfor,
  • most unlooked for,
  • eyeopening,
  • not in cards,
  • un-expected,
  • more unlooked-for,
  • more electrifying,
  • un expected,
  • more eye-opening,
  • un-predicted,
  • un predicted,
  • more eyeopening,
  • not the cards,
  • more payback,
  • most eye opening,
  • un heralded.
  •ungovernable (adjective)
  • dis-obedient,
  • un-governable,
  • un governable,
  • dis obedient.
  •unruly (adjective)
  • un yielding,
  • un manageable,
  • in temperate,
  • out line,
  • un-manageable,
  • in-temperate,
  • in-tractable,
  • in-subordinate,
  • un-yielding,
  • in-exorable,
  • in corrigible,
  • in-corrigible,
  • in subordinate,
  • in tractable.
  •unwary (adjective)
  • unadvised,
  • unsuspicious,
  • Uncircumspect.
  •vehement (adjective)
  • more hyper,
  • on make.
  •very fast (adjective)
  • whirlwind.
  •violent (adjective)
  • demoniac.
  •vulgar (adjective)
  • mobbish.
  •whirlwind (adjective)
  • most lightning,
  • more lightning,
  • tornado,
  • most tornado,
  • most cyclonic,
  • more hurricane,
  • more cyclonic,
  • most hurricane,
  • more tornado.
  •wild (adjective)
  • un fettered,
  • self willed,
  • selfwilled,
  • more selfwilled,
  • most selfwilled,
  • un disciplined,
  • more self-willed,
  • most self-willed,
  • most self willed,
  • more self willed,
  • more impracticable,
  • un-fettered.

• n.

  •
  • straight away,
  • on-the-spot,
  • at once,
  • right now,
  • straight,
  • instantly,
  • fast,
  • suddenly,
  • promptly.
  •
  • headlong,
  • slapdash,
  • improvident,
  • careful.
  •brainish (noun)
  • brainish.
  •forceful (noun)
  • forceful.
  •impetuous (noun)
  • madcap,
  • tearaway.

• Other synonyms:

  •
  • ill-considered,
  • blindly,
  • shallow,
  • jejune,
  • precipitant,
  • short-sighted,
  • myopic,
  • unconsidered,
  • mindless,
  • temerarious,
  • merrily,
  • impolitic,
  • blithely,
  • unthinking,
  • undiscriminating,
  • blithe,
  • bumbling,
  • indiscreet,
  • vacuous,
  • indiscriminate,
  • disconnected,
  • hysterical,
  • rudderless,
  • knee jerk.
  •
  • unwitting,
  • unguarded,
  • clumsy,
  • breezy,
  • harum-scarum,
  • abrupt,
  • precipitate,
  • precipitous,
  • foolish,
  • vulgar.
  •
  • automatically.
  •
  • lightly,
  • mad.
  •debonair
  • jaunty.
  •insistent
  • urgent.

Antonyms for Impetuous:

• adj.

  • acting without thinking
    thoughtful, calm, considerate, sensible, wise, cautious, circumspect, reflective.
  • Other antonyms:
    apathetic, indifferent, stolid, unmindful, unconcerned, frigid, careless, regardless, dispassionate, uninterested, phlegmatic, unmoved, stony, cold, heedless, unforceful, negligent, cool, forceless, purposeless.