Standard Lemma guide

warn

name · verb · 12 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.

  • Received-Pronunciation: /wɔːn/
  • Australian, British, New-Zealand, Southern, Standard: /woːn/
  • General-American: /woɹn/
  • US: Recorded audio is listed in the source snapshot.
  • Scotland: /wɔɾn/
  • /wɒːn/ Manchester
  • Eastern-New-England: /wɒn/
  • rhymes with -ɔː(ɹ)n
  • homophone: worn (horse–hoarse merger)
  • CMU ARPABET: W AO1 R N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

name

Meaning 1

A surname.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

To make (someone) aware of (something impending); especially:

To make (someone) aware of impending danger, evil, etc.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Examples

  • We waved a flag to warn the oncoming traffic about the accident.
  • I phoned to warn him of the road closure.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

To make (someone) aware of (something impending); especially:

To notify or inform (someone, about something).

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Examples

  • I warned him he'd be getting a huge box of birthday presents from me.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

verb

Meaning 4

To make (someone) aware of (something impending); especially:

To summon (someone) to or inform of a formal meeting or duty.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Examples

  • The sheriff warned her to appear in court.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

verb

Meaning 5

To make (someone) aware of (something impending); especially:

To make a sound (e.g. clicking or whirring) indicating that it is about to strike or chime (an hour).

Definition source: English Wiktionary via Wiktextract

Usage: ambitransitive, obsolete, possibly, transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

verb

Meaning 6

To caution or admonish (someone) against unwise or unacceptable behaviour.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Examples

  • He was warned against crossing the railway tracks at night.
  • Don't let me catch you running in the corridor again, I warn you.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

verb

Meaning 7

To advise or order to go or stay away.

Definition source: English Wiktionary via Wiktextract

Qualifier: "away"; and similar words; "away"; and similar words

Examples

  • A sign warns trespassers off/away from the site.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

verb

Meaning 8

To give warning.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

verb

Meaning 9

notify, usually in advance

Definition source: Princeton WordNet 3.0

Examples

  • I warned you that I would ask some difficult questions

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: inform

10

verb

Meaning 10

ask to go away

Definition source: Princeton WordNet 3.0

Examples

  • The old man warned the children off his property

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: order, tell, enjoin, say

11

verb

Meaning 11

notify of danger, potential harm, or risk

Definition source: Princeton WordNet 3.0

Examples

  • The director warned him that he might be fired
  • The doctor warned me about the dangers of smoking

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: inform

Narrower terms: forewarn, previse, caution, admonish, monish, threaten, alarm, alert

12

verb

Meaning 12

admonish or counsel in terms of someone's behavior

Definition source: Princeton WordNet 3.0

Examples

  • I warned him not to go too far
  • I warn you against false assumptions
  • She warned him to be quiet

Meaning relationships

Synonyms: discourage, admonish, monish

Antonyms: none provided

Broader terms: rede, advise, counsel

History

Etymology

From Middle English warnen, warnien (“to warn; admonish”), from Old English warnian (“to take heed; warn”), from Proto-Germanic *warnōną (“to warn; take heed”), from Proto-Indo-European *wer- (“to be aware; give heed”). Cognate with Dutch waarnen (obsolete), German Low German warnen, German warnen, Swedish varna, Icelandic varna.

Across languages

Translations

124 source translations are retained for this English entry.

  • Albanian: paralajmëroj — to make someone aware of impending danger
  • Arabic: حَذَّرَ (ḥaḏḏara) — to make someone aware of impending danger
  • Armenian: զգուշացնել (zgušacʻnel) — to make someone aware of impending danger
  • Azerbaijani: xəbərdar etmək — to make someone aware of impending danger
  • Basque: abisatu — to make someone aware of impending danger
  • Belarusian: папярэ́джваць (papjarédžvacʹ) — to make someone aware of impending danger
  • Belarusian: папярэ́дзіць (papjarédzicʹ) — to make someone aware of impending danger
  • Bulgarian: предупрежда́вам (predupreždávam) — to make someone aware of impending danger
  • Bulgarian: предупредя́ (predupredjá) — to make someone aware of impending danger
  • Burmese: သတိပေး (sa.ti.pe:) — to make someone aware of impending danger
  • Catalan: advertir — to make someone aware of impending danger
  • Catalan: avisar — to make someone aware of impending danger
  • Chinese Mandarin: 警告 (jǐnggào) — to make someone aware of impending danger
  • Chinese Mandarin: 提醒 (tíxǐng) — to make someone aware of impending danger
  • Chinese Mandarin: 警戒 (jǐngjiè) — to make someone aware of impending danger
  • Czech: varovat — to make someone aware of impending danger
  • Czech: upozorňovat — to make someone aware of impending danger
  • Czech: upozornit — to make someone aware of impending danger
  • Danish: advare — to make someone aware of impending danger
  • Dutch: waarschuwen — to make someone aware of impending danger
  • Dutch: verwittigen — to make someone aware of impending danger
  • Dutch: waarnen — to make someone aware of impending danger
  • Esperanto: averti — to make someone aware of impending danger
  • Estonian: hoiatama — to make someone aware of impending danger
  • Finnish: varoittaa — to make someone aware of impending danger
  • French: avertir — to make someone aware of impending danger
  • French: alerter — to make someone aware of impending danger
  • Galician: aprenxer — to make someone aware of impending danger
  • Galician: deñar — to make someone aware of impending danger
  • Galician: advertir — to make someone aware of impending danger
  • Galician: avisar — to make someone aware of impending danger
  • Georgian: გაფრთხილება (gaprtxileba) — to make someone aware of impending danger
  • German: warnen — to make someone aware of impending danger
  • German: mahnen — to make someone aware of impending danger
  • Greek: προειδοποιώ (proeidopoió) — to make someone aware of impending danger
  • Ancient Greek: νουθετέω (nouthetéō) — to make someone aware of impending danger
  • Hindi: चेताना (cetānā) — to make someone aware of impending danger
  • Hungarian: figyelmeztet — to make someone aware of impending danger
  • Icelandic: aðvara — to make someone aware of impending danger
  • Irish: fógra a thabhairt do — to make someone aware of impending danger
  • Irish: fainic a chur ar — to make someone aware of impending danger
  • Italian: avvertire — to make someone aware of impending danger
  • Italian: avvisare — to make someone aware of impending danger
  • Japanese: 警告する (keikoku suru) — to make someone aware of impending danger
  • Japanese: 言い聞かせる (iikikaseru) — to make someone aware of impending danger
  • Kazakh: ескерту (eskertu) — to make someone aware of impending danger
  • Khmer: ព្រមាន (prɔɔmiən) — to make someone aware of impending danger
  • Korean: 경고하다 (gyeonggohada) — to make someone aware of impending danger
  • Kyrgyz: эскертүү (eskertüü) — to make someone aware of impending danger
  • Lao: ເຕືອນ (tư̄an) — to make someone aware of impending danger
  • Latin: moneō — to make someone aware of impending danger
  • Latvian: brīdināt — to make someone aware of impending danger
  • Lithuanian: įspėti — to make someone aware of impending danger
  • Lithuanian: perspėti — to make someone aware of impending danger
  • Macedonian: предупредува (predupreduva) — to make someone aware of impending danger
  • Macedonian: предупреди (predupredi) — to make someone aware of impending danger
  • Malayalam: മുന്നറിയിപ്പ് നൽകുക (munnaṟiyippŭ nalkuka) — to make someone aware of impending danger
  • Mansaka: bara — to make someone aware of impending danger
  • Māori: whakaohiti — to make someone aware of impending danger
  • Mongolian: анхааруулах (anxaaruulax) — to make someone aware of impending danger
  • Norwegian Bokmål: advare — to make someone aware of impending danger
  • Church Slavic: варити (variti) — to make someone aware of impending danger
  • Iranian Persian: هُشْدار دادَن (hošdâr dâdan) — to make someone aware of impending danger
  • Iranian Persian: اِخْطار دادَن (extâr dâdan) — to make someone aware of impending danger
  • Iranian Persian: تَنْبیه کَرْدَن (tanbih kardan) — to make someone aware of impending danger
  • Polish: ostrzegać — to make someone aware of impending danger
  • Polish: ostrzec — to make someone aware of impending danger
  • Polish: uprzedzać — to make someone aware of impending danger
  • Polish: uprzedzić — to make someone aware of impending danger
  • Portuguese: avisar — to make someone aware of impending danger
  • Portuguese: alertar — to make someone aware of impending danger
  • Portuguese: advertir — to make someone aware of impending danger
  • Romanian: avertiza — to make someone aware of impending danger
  • Romanian: alerta — to make someone aware of impending danger
  • Russian: предупрежда́ть (predupreždátʹ) — to make someone aware of impending danger
  • Russian: предупреди́ть (predupredítʹ) — to make someone aware of impending danger
  • Russian: предостерега́ть (predosteregátʹ) — to make someone aware of impending danger
  • Russian: предостере́чь (predosteréčʹ) — to make someone aware of impending danger
  • Northern Sami: váruhit — to make someone aware of impending danger
  • Serbo-Croatian: упозора́вати — to make someone aware of impending danger
  • Serbo-Croatian: упозо̀рити — to make someone aware of impending danger
  • Serbo-Croatian: upozorávati — to make someone aware of impending danger
  • Serbo-Croatian: upozòriti — to make someone aware of impending danger
  • Slovak: varovať — to make someone aware of impending danger
  • Slovak: vystríhať — to make someone aware of impending danger
  • Slovene: svariti — to make someone aware of impending danger
  • Spanish: alertar — to make someone aware of impending danger
  • Spanish: avisar — to make someone aware of impending danger
  • Spanish: advertir — to make someone aware of impending danger
  • Spanish: aldabear — to make someone aware of impending danger
  • Spanish: amonestar — to make someone aware of impending danger
  • Swahili: onya — to make someone aware of impending danger
  • Swedish: varna — to make someone aware of impending danger
  • Swedish: varsko — to make someone aware of impending danger
  • Tagalog: ipababala — to make someone aware of impending danger
  • Tagalog: babalaan — to make someone aware of impending danger
  • Tajik: огоҳ кардан (ogoh kardan) — to make someone aware of impending danger
  • Thai: เตือน (dtʉʉan) — to make someone aware of impending danger
  • Turkish: uyarmak — to make someone aware of impending danger
  • Ottoman Turkish: ایقاظ ایتمك (ikâz etmek) — to make someone aware of impending danger
  • Ukrainian: попереджа́ти (poperedžáty) — to make someone aware of impending danger
  • Ukrainian: попере́джувати (poperédžuvaty) — to make someone aware of impending danger
  • Ukrainian: попере́дити (poperédyty) — to make someone aware of impending danger
  • Urdu: خَبَرْدار کَرْنا (xabardār karnā) — to make someone aware of impending danger
  • Uzbek: ogohlantirmoq — to make someone aware of impending danger
  • Vietnamese: cảnh báo — to make someone aware of impending danger
  • Welsh: rhybuddio — to make someone aware of impending danger
  • Zazaki: iqaz kerden — to make someone aware of impending danger
  • Dutch: verwittigen — to notify someone of something
  • Dutch: waarnen — to notify someone of something
  • Finnish: ilmoittaa — to notify someone of something
  • Finnish: varoittaa — to notify someone of something
  • French: prévenir — to notify someone of something
  • German: warnen — to notify someone of something
  • Greek: προειδοποιώ (proeidopoió) — to notify someone of something
  • Russian: предупрежда́ть (predupreždátʹ) — to notify someone of something
  • Russian: предупреди́ть (predupredítʹ) — to notify someone of something
  • Swahili: ashiria — to notify someone of something
  • Swedish: förvarna — to notify someone of something
  • Ukrainian: попереджа́ти (poperedžáty) — to notify someone of something
  • Ukrainian: попере́джувати (poperédžuvaty) — to notify someone of something
  • Ukrainian: попере́дити (poperédyty) — to notify someone of something
  • Ngazidja Comorian: uhadharisha — intransitive: to give warning
  • Finnish: varoittaa — intransitive: to give warning