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warn

verb

Simple meaning

To make aware of impending danger.

Pronunciation

Say it like this:

wawrn
US device voice
IPA pronunciation (US)

ˈwɔɹn

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

verb

  1. transitive

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

  2. transitive

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

  3. Notify of danger, potential harm, or risk

    “The director warned him that he might be fired.”

  4. transitive

    To notify or inform (someone, about something).

  5. Notify, usually in advance

    “I warned you that I would ask some difficult questions.”

  6. Ask to go away

    “The old man warned the children off his property.”

Word at a Glance

Difficulty
B2 · Upper Intermediate
Frequency
Moderately Common
Typical Use
Neutral / general English

Word Aura™

How this word commonly comes across.

Aura for this meaning

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

Used this way, warn is a reasonably familiar word with a clearly unfavourable pull. It usually sounds natural in a wide range of settings.

Emotional tone
Negative
Formality
Neutral
Intensity
Moderate
How common
Moderately common
Connotation
Serious and weighty
Usage feel
Neutral and straightforward

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

More ways to use warn

  • “The director warned him that he might be fired.”verb
  • “I warned you that I would ask some difficult questions.”verb
  • “I warned him not to go too far.”verb

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Word Family

Related forms, grouped by how they connect.

Inflected forms

Grammatical variations of the same word.

  • warningnounInflected form

    A message informing of danger.

Compound terms

Established multiword terms.

  • warning devicenounCompound term

    A device that signals the occurrence of some undesirable event.

  • warning lightnounCompound term

    A cautionary sign of danger.

  • warning of attacknounCompound term

    A warning to national policy makers that an enemy intends to launch an attack in the near future.

  • warning of warnounCompound term

    A warning to national policy makers that an enemy intends war or is preparing for war and is on a course that increases the risk of war.

  • warning signalnounCompound term

    An automatic signal (usually a sound) warning of danger.

  • warning bellnounCompound term

    A bell used to sound an alarm.

Related Words

Connected to the same idea, not synonyms.

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.