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Dictionary-enhanced synonyms

Synonyms for “Warn” — 4 Other Ways to Say It

To tell someone about danger so they can prepare or avoid it.

IPA: /wɔːrn/Level: A2Register: neutralPart of speech: verb

Meaning of Warn

To notify someone of possible danger or problem.

How to Pronounce Warn

IPA: /wɔːrn/ Stress: O

One syllable: /wɔːrn/. Rhymes with 'born', 'horn', 'worn'.

Full pronunciation guide for warn →

4 Synonyms for Warn — Words Similar to Warn

Browse alternative words with their meaning, level, and a real example sentence so you pick the synonym that fits your context.

inform

/ɪnˈfɔːrm/
verb B1 Formal

To tell someone something; to give someone news or information.

Example: The doctor will inform you of the test results.

Smart Synonyms for Warn — When to Use Each

caution

warning about potential danger or risk

alert

warning someone immediately about urgent danger

How to Use Warn and Its Synonyms in Sentences

  • The sign warns drivers about the curve ahead. A2
  • I warned her about the broken step. A2
  • The weather forecast warned of severe storms. B1

Frequently Asked Questions About Synonyms of Warn

What is another word for "warn"?

Common synonyms for "warn" include: alert, inform, caution, notify.

What can I say instead of "warn"?

Try one of these alternatives: alert, inform, caution, notify. Pick the synonym whose register and meaning fits your sentence — see the cards above for definitions and examples.

Is "warn" formal or informal?

"warn" is generally used in neutral contexts.

When should I use "warn" instead of "alert"?

Use "warn" when you want to keep the exact nuance shown in the meaning section above; switch to "alert" when you need a different register, level, or shade of meaning. Compare the cards above to decide.

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