/ Dictionary / Index T temperamental: Meaning and Definition of Find definitions for: tem•per•a•men•tal Pronunciation: (tem"pur-u-men'tl, -pru-men'-, -pur-men'-), [key] — adj. having or exhibiting a strongly marked, individual temperament. moody, irritable, or sensitive: a temperamental artist. given to erratic behavior; unpredictable. of or pertaining to temperament; constitutional: temperamental differences. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: temperamental (Thesaurus) temperament temperance Related Content Daily Word Quiz: miscreant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language