Synonyms of the word

hotheaded

• adj. Pertaining to or characteristic of a hothead or hotheadedness; (of a person) easily excited or angered.

brainish

• adj. (obsolete) hot-headed; furious.

choleric

• adj. (according to theories of the four humours or temperaments) Having a temperament characterized by an excess…
• adj. Showing or expressing anger.
• adj. Of or relating to cholera (infectious disease).
• adj. (obsolete) Causing an excess of choler.
• n. A person with a choleric temperament.
• n. A person suffering from cholera (infectious disease).

hot-tempered

• adj. (colloquial, usually said of a person, but sometimes of an animal) Become very vocal or even violent when…

ill-natured

• adj. Having a bad nature, whether.

impetuous

• adj. Making arbitrary decisions, especially in an impulsive and forceful manner.
• adj. Characterized by sudden violence or vehemence.

impulsive

• adj. Having the power of driving or impelling; giving an impulse; moving; impellent.
• adj. Actuated by impulse or by transient feelings; inclined to make rapid decisions without due consideration.
• adj. (mechanics) Acting momentarily, or by impulse; not continuous – said of forces.
• n. That which impels or gives an impulse; an impelling agent.
• n. One whose behaviour or personality is characterized by being impulsive.

incautious

• adj. careless, reckless, not exercising proper caution.

irascible

• adj. Easily provoked to outbursts of anger; irritable.

madcap

• adj. impulsive, hasty or reckless; capricious.
• n. An impulsive, hasty, capricious person.
• n. (obsolete) An insane person, a lunatic.

quick-tempered

• adj. (usually said of a person, but sometimes of an animal) Easily or quickly angered or frustrated.

short-tempered

• adj. Easily angered; frequently losing one's temper.

tearaway

• n. (informal, chiefly Britain, pejorative) An impetuous and reckless person who is difficult to control;…