Quickly aroused to anger:
— A hotheaded commander.

synonyms: choleric, hot-tempered, irascible, quick-tempered, short-tempered.

Polish: choleryczny

Characterized by undue haste and lack of thought or deliberation:
— A hotheaded decision.

synonyms: brainish, impetuous, impulsive, madcap, tearaway.

Roget 684: hasty, hurried, brusque; scrambling, cursory, precipitate, headlong, furious, boisterous, impetuous, hotheaded; feverish, fussy; pushing.    in haste, in a hurry etc. n.; in hot haste, in all haste; breathless, pressed for time, hard pressed, urgent.    ... show more

Roget 863: rash, incautious, indiscreet; imprudent, improvident, temerarious; uncalculating^†; heedless; careless etc. (neglectful) 460; without ballast, heels over head, head over heels; giddy etc. (inattentive) 458; wanton, reckless, wild, madcap; desperate, devil-may-care.    hot-blooded, hotheaded, hotbrained^†; headlong, headstrong; breakneck; foolhardy; harebrained; precipitate, impulsive.    overconfident, overweening; venturesome, venturous; adventurous, Quixotic, fire eating, cavalier; janty^†, jaunty, free and easy.    off one's guard etc. (inexpectant) 508^†.    ... show more

Polish: impulsywny, popędliwy, porywczy, gwałtowny