impetuous
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/icons/point.icon PRECIPITATE, HEADLONG, ABRUPT, IMPETUOUS, SUDDEN mean showing undue haste or unexpectedness.
PRECIPITATE stresses lack of due deliberation and implies prematureness of action.
e.g. the army's precipitate withdrawal
HEADLONG stresses rashness and lack of forethought.
e.g. a headlong flight from arrest
ABRUPT stresses curtness and a lack of warning or ceremony.
e.g. an abrupt refusal
IMPETUOUS stresses extreme impatience or impulsiveness.
e.g. an impetuous lover proposing marriage
SUDDEN stresses unexpectedness and sharpness or violence of action.
e.g. flew into a sudden rage
adjective
acting or done quickly and without thought or care:
〈人･行動などが〉性急な, 衝動的な
e.g. her friend was headstrong and impetuous.
moving forcefully or rapidly:
〈動き･風などが〉激しい, 猛烈な(violent)
e.g. an impetuous but controlled flow of water.
DERIVATIVES
impetuosity |imˌpeCHəˈwäsədē| noun
impetuously |imˈpeCH(o͞o)əslē| adverb
impetuousness |imˈpeCH(o͞o)əsnəs| noun
ORIGIN
late Middle English: from Old French impetueux, from late Latin impetuosus, from impetere ‘to attack’.