adj. 25B6; adjective
a temperamental chef : VOLATILE, excitable, emotional, mercurial, capricious, erratic, unpredictable, changeable, inconsistent; hot-headed, fiery, quick-tempered, irritable, irascible, impatient; touchy, moody, sensitive, oversensitive, highly strung, neurotic, melodramatic.
a temperamental dislike of conflict : INHERENT, innate, natural, inborn, constitutional, deep-rooted, ingrained, congenital.
placid.