Synonyms of forewarning

1 Syllable
signs, hunch, sign
2 Syllables
warning, omen, hunches, caveat, portent, feeling, signing, hunching
3 Syllables
presaged, apprisal, thundercloud, augury, prescience, signifier, auguries, advice, presaging, monition, monitions
4 Syllables
auguration, forewisdom, omination, preapprehension, presagement, premonition, presentiment, admonitions, indication, foreboding, commonition, admonition, premonitions, adumbration, indications
5 Syllables
foreshadowing, prefiguration, signification