WARN Synonyms: 26 Similar and Opposite Words

warn

verb

ˈwȯrn

as in to alert

to give notice to beforehand especially of danger or risk the lifeguard warned the boys that if they continued playing so rough, someone was sure to get hurt

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

risk
imperil

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of warn But the agency warned in its annual report Thursday that 118 million people who had to flee their homes or nations is still alarmingly high. —

ABC News, 11 June 2026 Phelan also suggested that there is a faction of Republicans who would not vote for Paxton under any circumstances, and warned that under those conditions, Republicans could lose their edge in the state's legislature and judiciary. —

Mateo Rosiles, USA Today, 3 June 2026 Fed up with this practice, the political arm of Oakland’s fiscally moderate class — a group named Empower Oakland — spent about $300,000 on late-game advertisements warning voters not to fall for the city government’s promises. —

Shomik Mukherjee, Mercury News, 3 June 2026 Bahrain’s interior ministry also sounded warning sirens urging residents to seek shelter. —

Anniek Bao, CNBC, 3 June 2026 See All Example Sentences for warn

Recent Examples of Synonyms for warn

Verb

Authorities said two fishermen spotted Williams' body near North Boardwalk and Thomas Street and immediately alerted police.

— Shafiq Najib, ABC News, 7 June 2026
When the plane began to pull away from the gate, the passenger alerted flight attendants that someone was in the restroom.

— Sneha Dhandapani, CNN Money, 7 June 2026