Synonyms of hotheaded

1 Syllable
rash, brash
2 Syllables
brasher, touchy, violent, pettish, ructious, brashest, madcap, reckless
3 Syllables
incautious, cat-and-dog, impetuous, unalert, short-fused
4 Syllables
volatile, ill-advised, explosive, passionate, self-asserting, excitable, hot-tempered, quarrelsome, precipitant, unvigilant
5 Syllables
ill-considered, temperamental, unconsidered
7 Syllables
overventuresome