impetuous

C2+ Topic:Mind & Cognition

US /ɪmˈpɛtʃuəs/ UK /ɪmˈpɛtʃuəs/ See IPA manual

adj

Meanings

1

adj
acting hastily and without thought; impulsive

His impetuous decision to quit surprised everyone.

Thesaurus

Synonyms

1 adj · acting hastily and without... impulsive rash hasty reckless precipitate hotheaded

Opposites

cautious deliberate prudent circumspect

Word family

Forms impetuouslyimpetuousness

Derived forms impetuouslyimpetuosityimpetuousness

Related forms impetus petition compete appetite

Etymology

From Old French impetueus, from Late Latin impetuosus, from Latin impetus ('attack, impulse'), from impetere ('to attack'), from in- ('toward') + petere ('to seek, rush at').

impetuosus Latin petere Latin

View etymology graph ->

Topics

Mind & Cognition Word Formation & Derivatives

# impetuous

**Type:** Word
**Level:** C2+
**Part of speech:** adj
**IPA (US):** ɪmˈpɛtʃuəs
**IPA (UK):** ɪmˈpɛtʃuəs

## Meanings
1. acting hastily and without thought; impulsive

## Examples
- His impetuous decision to quit surprised everyone.

## Synonyms
- impulsive
- rash
- hasty
- reckless
- precipitate
- hotheaded

## Antonyms
- cautious
- deliberate
- prudent
- circumspect

## Derived Forms
- impetuously
- impetuosity
- impetuousness

## Related Forms
- impetus
- petition
- compete
- appetite

## Roots and Affixes
- Root: impetuosus
- Root: petere

## Etymology
From Old French impetueus, from Late Latin impetuosus, from Latin impetus ('attack, impulse'), from impetere ('to attack'), from in- ('toward') + petere ('to seek, rush at').

## AI Etymology
impetuous comes from Old French impetueus, from Late Latin impetuosus, from Latin impetus ('attack, impulse'), from impetere ('to attack'), from in- ('toward') + petere ('to seek, rush at'). Morphologically, the prefixed shape matters: the initial element belongs to the recorded formation and helps explain the modern form's surface analysis. In present English, the adjective sense is "acting hastily and without thought; impulsive", so the historical development ends in a clearly identifiable modern dictionary use. The same base also appears in related forms such as impetus, petition, compete, and appetite, and in derivatives such as impetuously, impetuosity, and impetuousness. Its semantic neighborhood includes impulsive, rash, hasty, and reckless, which helps locate the modern sense without adding a separate etymological claim. The named historical forms include Latin impetuosus and Latin petere.

## Topics
- Mind & Cognition
- Word Formation & Derivatives

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