Standard Lemma guide

impetuous

adj · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • ĭm-pĕch′oo͞-əs
  • /imˈpɛt͡ʃuəs/
  • Australia: Recorded audio is listed in the source snapshot.
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: IH2 M P EH1 CH W AH0 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Making arbitrary decisions, especially in an impulsive and forceful manner.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Characterized by sudden violence or vehemence.

Definition source: English Wiktionary via Wiktextract

Examples

  • 1917, revised 1925, Ezra Pound, "Canto I" Unsheathed the narrow sword, I sat to keep off the impetuous impotent dead [...]

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective satellite

Meaning 3

characterized by undue haste and lack of thought or deliberation; (`brainish' is archaic)

Definition source: Princeton WordNet 3.0

Examples

  • a hotheaded decision
  • liable to such impulsive acts as hugging strangers
  • an impetuous display of spending and gambling
  • madcap escapades

Meaning relationships

Synonyms: hotheaded, impulsive, madcap, tearaway(a), brainish

Antonyms: none provided

4

adjective satellite

Meaning 4

marked by violent force

Definition source: Princeton WordNet 3.0

Examples

  • impetuous heaving waves

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Middle English impetuous, from Old French impetueux, from Late Latin impetuōsus (“violent”), from Latin impetus (“attack, violence”).

Across languages

Translations

92 source translations are retained for this English entry.

  • Armenian: իմպուլսիվ (impulsiv) — describing one who makes arbitrary decisions
  • Basque: odolbero — describing one who makes arbitrary decisions
  • Basque: oldartsu — describing one who makes arbitrary decisions
  • Basque: oldar handiko — describing one who makes arbitrary decisions
  • Bulgarian: импулсивен (impulsiven) — describing one who makes arbitrary decisions
  • Bulgarian: прибързан (pribǎrzan) — describing one who makes arbitrary decisions
  • Catalan: impetuós — describing one who makes arbitrary decisions
  • Czech: unáhlený — describing one who makes arbitrary decisions
  • Czech: zbrklý — describing one who makes arbitrary decisions
  • Czech: impulzivní — describing one who makes arbitrary decisions
  • Czech: neuvážený — describing one who makes arbitrary decisions
  • Danish: impulsiv — describing one who makes arbitrary decisions
  • Dutch: impulsief — describing one who makes arbitrary decisions
  • Finnish: kiivas — describing one who makes arbitrary decisions
  • Finnish: kiihkeä — describing one who makes arbitrary decisions
  • Finnish: raju — describing one who makes arbitrary decisions
  • Finnish: äkkipikainen — describing one who makes arbitrary decisions
  • French: impulsif — describing one who makes arbitrary decisions
  • French: irréfléchi — describing one who makes arbitrary decisions
  • German: ungestüm — describing one who makes arbitrary decisions
  • German: impulsiv — describing one who makes arbitrary decisions
  • German: leidenschaftlich — describing one who makes arbitrary decisions
  • German: unüberlegt — describing one who makes arbitrary decisions
  • Greek: ορμητικός (ormitikós) — describing one who makes arbitrary decisions
  • Ancient Greek: ὁρμητικός (hormētikós) — describing one who makes arbitrary decisions
  • Hungarian: hirtelen — describing one who makes arbitrary decisions
  • Irish: tobann — describing one who makes arbitrary decisions
  • Italian: impulsivo — describing one who makes arbitrary decisions
  • Māori: takahorohoro — describing one who makes arbitrary decisions
  • Māori: manawarere — describing one who makes arbitrary decisions
  • Māori: kowheta — describing one who makes arbitrary decisions
  • Norwegian: impulsstyrt — describing one who makes arbitrary decisions
  • Polish: zapalczywy — describing one who makes arbitrary decisions
  • Polish: impulsywny — describing one who makes arbitrary decisions
  • Polish: porywczy — describing one who makes arbitrary decisions
  • Portuguese: impetuoso — describing one who makes arbitrary decisions
  • Romanian: impetuos — describing one who makes arbitrary decisions
  • Russian: поспе́шный (pospéšnyj) — describing one who makes arbitrary decisions
  • Russian: опроме́тчивый (oprométčivyj) — describing one who makes arbitrary decisions
  • Sanskrit: अमवत् (amavat) — describing one who makes arbitrary decisions
  • Slovak: zbrklý — describing one who makes arbitrary decisions
  • Slovak: impulzívny — describing one who makes arbitrary decisions
  • Spanish: impulsivo — describing one who makes arbitrary decisions
  • Spanish: impetuoso — describing one who makes arbitrary decisions
  • Tagalog: mapusok — describing one who makes arbitrary decisions
  • Yoruba: oníwàdùwàdù — describing one who makes arbitrary decisions
  • Armenian: բուռն (buṙn) — characterized by sudden and violent force
  • Armenian: սրընթաց (srəntʻacʻ) — characterized by sudden and violent force
  • Armenian: պոռթկուն (poṙtʻkun) — characterized by sudden and violent force
  • Bulgarian: буен (buen) — characterized by sudden and violent force
  • Bulgarian: необуздан (neobuzdan) — characterized by sudden and violent force
  • Catalan: impetuós — characterized by sudden and violent force
  • Chinese Mandarin: 莽撞的 (mǎngzhuàng de) — characterized by sudden and violent force
  • Danish: opfarende — characterized by sudden and violent force
  • Danish: heftig — characterized by sudden and violent force
  • Danish: fremfusende — characterized by sudden and violent force
  • Dutch: onstuimig — characterized by sudden and violent force
  • Dutch: bruusk — characterized by sudden and violent force
  • Dutch: gewelddadig — characterized by sudden and violent force
  • Finnish: raju — characterized by sudden and violent force
  • Finnish: kiihkeä — characterized by sudden and violent force
  • French: impétueux — characterized by sudden and violent force
  • French: brutal — characterized by sudden and violent force
  • French: brusque — characterized by sudden and violent force
  • French: violent — characterized by sudden and violent force
  • German: ungestüm — characterized by sudden and violent force
  • German: stürmisch — characterized by sudden and violent force
  • German: brüsk — characterized by sudden and violent force
  • German: heftig — characterized by sudden and violent force
  • Ancient Greek: θούριος (thoúrios) — characterized by sudden and violent force
  • Ancient Greek: θοῦρος (thoûros) — characterized by sudden and violent force
  • Hungarian: indulatos — characterized by sudden and violent force
  • Italian: irruente — characterized by sudden and violent force
  • Kazakh: екпінді (ekpındı) — characterized by sudden and violent force
  • Māori: totoa — characterized by sudden and violent force
  • Māori: taikaha — characterized by sudden and violent force
  • Norwegian Bokmål: oppfarende — characterized by sudden and violent force
  • Norwegian Bokmål: fremfusende — characterized by sudden and violent force
  • Norwegian Bokmål: brysk — characterized by sudden and violent force
  • Occitan: impetuós — characterized by sudden and violent force
  • Portuguese: impetuoso — characterized by sudden and violent force
  • Portuguese: brusco — characterized by sudden and violent force
  • Romanian: impetuos — characterized by sudden and violent force
  • Russian: поры́вистый (porývistyj) — characterized by sudden and violent force
  • Russian: стреми́тельный (stremítelʹnyj) — characterized by sudden and violent force
  • Slovak: prudký — characterized by sudden and violent force
  • Spanish: impetuoso — characterized by sudden and violent force
  • Spanish: brutal — characterized by sudden and violent force
  • Spanish: brusco — characterized by sudden and violent force
  • Spanish: violento — characterized by sudden and violent force
  • Tagalog: mapusok — characterized by sudden and violent force
  • Yoruba: oníwàdùwàdù — characterized by sudden and violent force