Synonyms of forewarn in English:

forewarn


See definition of forewarn

verb

1‘he had been forewarned of a coup plot’

SYNONYMS
warn, prewarn, warn in advance, give advance warning, give fair warning, give notice, advise, apprise, inform
put on one's guard about, alert about, caution about
informal tip off about, put wise to, put in the picture about, clue in about
British informal tip someone the wink about
rare premonish
ANTONYMS

take by surprise