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 Roy Scott was not suspected of any crime—he was the one who called the cops for help, and at no point did the cops warn him that they were going to use force.

From Slate • Apr. 21, 2026

Associated British Foods, the owner of Primark, appears to have become the first European retailer to warn of the impact of the war in Iran on profits.

From MarketWatch • Apr. 21, 2026

Researchers warn that highly realistic AI-controlled personas could soon play a major role in shaping public opinion and influencing democratic systems.

From Science Daily • Apr. 20, 2026

However, they warn clients in a note that any deterioration in credit quality will be punished more severely and continue to see downside risk for the sector.

From The Wall Street Journal • Apr. 15, 2026

“But what I was going to say is that the vet took a gamble with Klawde today, and he lost. You did warn him.”

From "Klawde: Evil Alien Warlord Cat" by Johnny Marciano and Emily Chenoweth

Vocabulary lists containing warn

"The Secret Water"

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

"The Black Ferris" by Ray Bradbury

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

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!