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.

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

From The Wall Street Journal • May 29, 2026

Experts warn of “price momentum crashes” for tech stocks due to high valuations and potential slowdowns in AI data center investments.

From Barron's • May 26, 2026

Health experts warn that touching the body of someone who died from Ebola can spread the virus because bodily fluids remain highly infectious after death.

From BBC • May 23, 2026

Scientists warn these patterns are likely to continue for decades.

From Science Daily • May 22, 2026

“We tried to warn you and your sister. This is no place for the living. And out there is no place for the dead.”

From "Night Owls" by A.R. Vishny

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!