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.

Last year, a price war among major delivery apps led the government to warn against such a race to the bottom.

From BBC • Jun. 2, 2026

It’s a spectacle that comes at a challenging moment for Hoover Dam, as experts warn that Lake Mead’s dwindling water levels could threaten the dam’s ability to generate hydropower.

From Los Angeles Times • Jun. 1, 2026

Analysts warn that global supply constraints will take months to unwind, with higher energy costs likely to persist into 2027 and beyond.

From Barron's • May 29, 2026

Some industry experts warn aluminum’s rally is far from done.

From The Wall Street Journal • May 29, 2026

“We must find a telephone and warn her not to come home!”

From "The Hiding Place" by Corrie ten Boom

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!