Definitions

warn

[wawrn] / wɔrn /

VERB

give notice of possible occurrence

Synonyms

STRONGEST

address advise alert caution hint inform instruct notify order predict prepare prompt recommend remind signal suggest summon tell threaten urge

STRONG

acquaint admonish advocate apprise clue counsel deprecate direct dissuade enjoin exhort forbid forearm forewarn guide post prescribe remonstrate reprove tip

WEAK

clue in cry wolf fill in give fair warning give the high sign give warning lay it out make aware put on guard tip off wise up

Antonyms

STRONGEST

conceal discourage disorganize dissuade hide ignore prevent

STRONG

allow approve commend compliment laud misguide mislead neglect permit praise withhold

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Financial advisers warn ordinary investors about the significant risks and complexities of investing in pre-IPO companies.

From The Wall Street Journal • May 16, 2026

Analysts warn the rapid rise in chip stocks, fueled by AI excitement, risks repeating past market bubbles.

From Barron's • May 15, 2026

California officials warn Northern and Central Coast residents against foraging for mushrooms amid poisoning outbreak.

From Los Angeles Times • May 15, 2026

Researchers also warn that the chemicals could influence climate and atmospheric processes.

From Science Daily • May 13, 2026

I want to warn her, but Glish is already speaking again.

From "The Last Cuentista" by Donna Barba Higuera

Vocabulary lists containing warn

"The Secret Water"

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"The Black Ferris" by Ray Bradbury

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Tasting the Sky

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!