HOTHEADED
hotheaded, impulsive, impetuous, madcap, tearaway, brainish
(adjective) characterized by undue haste and lack of thought or deliberation; âa hotheaded decisionâ; âliable to such impulsive acts as hugging strangersâ; âan impetuous display of spending and gamblingâ; âmadcap escapadesâ; (âbrainishâ is archaic)
choleric, irascible, hotheaded, hot-tempered, quick-tempered, short-tempered
(adjective) quickly aroused to anger; âa hotheaded commanderâ
Source: WordNet® 3.1
Etymology
Adjective
hotheaded (comparative more hotheaded, superlative most hotheaded)
Pertaining to or characteristic of a hothead or hotheadedness; (of a person) easily excited or angered.
Synonyms
• fiery, hasty, hot-tempered, impetuous, rash, vehement, violent
Antonyms
• calm, composed, level-headed
Source: Wiktionary
Hot"-head`ed, a.
Definition: Fiery; violent; rash; hasty; impetuous; vehement. Macaulay.
Source: Webster’s Unabridged Dictionary 1913 Edition