Definition for Impetuous:

• im-pet'[= u]- us, adj. rushing upon with impetus or violence: vehement in feeling: passionate.-- adv. IMPET'UOUSLY.-- ns. IMPET'UOUSNESS, IMPETUOS'ITY.

Synonyms for Impetuous:

• adj.

  •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.
  •blind (adjective)
  • reckless.
  •disobedient (adjective)
  • unruly.
  •emotional (adjective)
  • hot-blooded,
  • temperamental.
  •excitable (adjective)
  • volcanic,
  • Hot-headed,
  • overzealous,
  • fidgety,
  • excitable,
  • mercurial.
  •hasty (adjective)
  • quick.
  •idealistic (adjective)
  • quixotic.
  •impulsive (adjective)
  • changeable,
  • unprompted.
  •unwary (adjective)
  • unadvised.
  •very fast (adjective)
  • whirlwind.

• n.

  •
  • fast.
  •
  • headlong,
  • improvident,
  • slapdash.
  •impetuous (noun)
  • forceful,
  • tearaway,
  • madcap,
  • brainish.

• Other synonyms:

  •
  • blithe,
  • merrily,
  • shallow,
  • vacuous,
  • unconsidered,
  • indiscreet,
  • blithely,
  • rudderless,
  • ill-considered,
  • unthinking,
  • myopic,
  • short-sighted,
  • temerarious,
  • bumbling,
  • indiscriminate,
  • undiscriminating,
  • mindless,
  • hysterical,
  • impolitic,
  • precipitant.
  •
  • unguarded,
  • foolish,
  • precipitous,
  • harum-scarum,
  • abrupt,
  • unwitting,
  • precipitate.
  •
  • 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.