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.

But experts warn the playing field could become more uneven.

From MarketWatch • Apr. 24, 2026

The analysts warn that the challenges facing the Australian company are entrenched, with earnings visibility at a post-Covid low.

From The Wall Street Journal • Apr. 23, 2026

They also warn any tickets bought via third-party sites will be rejected.

From BBC • Apr. 23, 2026

Oil analysts warn that transit through the waterway could still take months to return to normal.

From Barron's • Apr. 23, 2026

He knew he’d been unfair: he should’ve growled first to warn the cub to stay away, and only muzzle-grabbed if it hadn’t listened.

From "Wolf Brother" by Michelle Paver

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!