Synonyms of forewarn

1 Syllable

flag, warn, tip

2 Syllables

wised, portend, alert, informs, threaten, alarm, enjoin, inform, threatens, wising, enjoins

3 Syllables

apprise, foretell, enjoining, portended, telegraph, dissuade, premonish, informing, portending, alerted, prophesied, prophesy, admonish, prophesying, advise, cautioned, forbode, omened, advising, forearmed, enjoined

4 Syllables

forebode, comminate, foretelling, admonished, auspicate