Standard Lemma guide

impugn

verb · 3 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.

  • /ɪmˈpjuːn/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -uːn
  • homophone: impune
  • CMU ARPABET: IH2 M P Y UW1 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

verb

Meaning 1

To assault, attack.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete, transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

To verbally assault, especially to argue against an opinion, motive, or action; to question the truth or validity of; cast doubt on.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Examples

  • For quotations using this term, see Citations:impugn.

Meaning relationships

Synonyms: call into question, challenge, contest, contradict, deny, disavow, dispute, oppugn, negate, question

Antonyms: authenticate, endorse, support

3

verb

Meaning 3

attack as false or wrong

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: challenge

History

Etymology

Borrowed from Middle French impugner, from Latin impugnō, from im- + pugnō (“fight”), from pugnus (“fist”), as in English pugilism (“fighting with fists, boxing”).

Across languages

Translations

39 source translations are retained for this English entry.

  • Czech: napadnout — To assault, attack
  • Dutch: aanvallen — To assault, attack
  • French: attaquer — To assault, attack
  • German: angreifen — To assault, attack
  • Spanish: arremeter — To assault, attack
  • Spanish: vilipendiar — To assault, attack
  • Swedish: attackera — To assault, attack
  • Swedish: angripa — To assault, attack
  • Bulgarian: опровергавам (oprovergavam) — A rejoinder using a false equivalence; to imply using a disingenuous argument while arguing against an opinion, motive, or action
  • Dutch: bestrijden — A rejoinder using a false equivalence; to imply using a disingenuous argument while arguing against an opinion, motive, or action
  • Dutch: weerspreken — A rejoinder using a false equivalence; to imply using a disingenuous argument while arguing against an opinion, motive, or action
  • Finnish: kyseenalaistaa — A rejoinder using a false equivalence; to imply using a disingenuous argument while arguing against an opinion, motive, or action
  • Finnish: kiistää — A rejoinder using a false equivalence; to imply using a disingenuous argument while arguing against an opinion, motive, or action
  • French: contredire — A rejoinder using a false equivalence; to imply using a disingenuous argument while arguing against an opinion, motive, or action
  • German: widersprechen — A rejoinder using a false equivalence; to imply using a disingenuous argument while arguing against an opinion, motive, or action
  • German: bestreiten — A rejoinder using a false equivalence; to imply using a disingenuous argument while arguing against an opinion, motive, or action
  • German: anfechten — A rejoinder using a false equivalence; to imply using a disingenuous argument while arguing against an opinion, motive, or action
  • Ancient Greek: ὄνομαι (ónomai) — A rejoinder using a false equivalence; to imply using a disingenuous argument while arguing against an opinion, motive, or action
  • Swedish: bestrida — A rejoinder using a false equivalence; to imply using a disingenuous argument while arguing against an opinion, motive, or action
  • Swedish: ifrågasätta — A rejoinder using a false equivalence; to imply using a disingenuous argument while arguing against an opinion, motive, or action
  • Bulgarian: оспорвам (osporvam) — question the validity of
  • Czech: zpochybňovat — question the validity of
  • Czech: zpochybnit — question the validity of
  • Dutch: betwisten — question the validity of
  • Finnish: kyseenalaistaa — question the validity of
  • French: contester — question the validity of
  • Galician: impugnar — question the validity of
  • German: angreifen — question the validity of
  • German: in Zweifel ziehen — question the validity of
  • German: bestreiten — question the validity of
  • German: infrage stellen — question the validity of
  • German: anfechten — question the validity of
  • Russian: оспаривать (osparivatʹ) — question the validity of
  • Russian: подвергать сомнению — question the validity of
  • Spanish: impugnar — question the validity of
  • Swedish: ifrågasätta — question the validity of
  • Swedish: jäva — question the validity of
  • Ukrainian: оспорювати (osporjuvaty) — question the validity of
  • Ukrainian: ставити під сумнів (stavyty pid sumniv) — question the validity of