Hotheaded in a sentence as an adjective

Don't be hotheaded; now is not the time for mercurial emotion.

Hotheaded definitions

adjective

quickly aroused to anger; "a hotheaded commander"

See also: choleric irascible hot-tempered quick-tempered short-tempered

adjective

characterized by undue haste and lack of thought or deliberation; "a hotheaded decision"; "liable to such impulsive acts as hugging strangers"; "an impetuous display of spending and gambling"; "madcap escapades"; (`brainish' is archaic)

See also: impulsive impetuous madcap brainish