Synonyms of forewarn

forewarn

verb

fȯr-ˈwȯrn 

as in to warn

to give notice to beforehand especially of danger or risk

I should forewarn you before you come to visit that we have a dog

Synonyms & Similar Words

• warn
• alert
• advise
• inform
• caution
• wake
• predict
• notify
• admonish
• apprise
• presage
• forecast
• foretell
• prophesy
• prognosticate
• tip (off)
• augur
• harbinger
• foreshadow
• portend
• bode
• forebode
• foretoken

Antonyms & Near Antonyms

• risk
• imperil

Example Sentences

Recent Examples of forewarn

According to Davidson, the BAFTAs did give the crowd some forewarning about his tics. — Jon Blistein, Rolling Stone, 23 Feb. 2026

The royal family was not forewarned about the Thursday arrest, according to a spokesperson for Charles, as reported by The New York Times. — Ashleigh Fields, The Hill, 19 Feb. 2026

Sensitive information shared with Epstein includes forewarning of a multibillion-dollar bailout for the European Union, over $27 billion in asset sales, Labour tax plans, and even Brown’s resignation. — Timothy Nerozzi, The Washington Examiner, 7 Feb. 2026

Virtually nobody was forewarned. — New York Times, 14 Jan. 2026