/ Dictionary / Index M mental: Meaning and Definition of Find definitions for: men•tal Pronunciation: (men'tl), [key] — adj. of or pertaining to the mind: mental powers; mental suffering. of, pertaining to, or affected by a disorder of the mind: a mental patient; mental illness. providing care for persons with disordered minds, emotions, etc.: a mental hospital. performed by or existing in the mind: mental arithmetic; a mental note. pertaining to intellectuals or intellectual activity. slightly daft; out of one's mind; crazy: He's mental. —n. a person with a psychological disorder: a fascist group made up largely of mentals. men•tal Pronunciation: (men'tl), [key] — adj. of or pertaining to the chin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mental (Thesaurus) -ment mental age Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language