Mental1. (a.) Of or pertaining to the chin; genian; as, the mental nerve; the mental region.
2. (n.) A plate or scale covering the mentum or chin of a fish or reptile.
3. (a.) of or pertaining to the mind; intellectual; as, mental faculties; mental operations, conditions, or exercise.
Thesaurus Entries
abnormal, abstract, affective, balmy, bananas, barmy, batty, bereft of reason, bonkers, brainsick, cerebral, certifiable, characteristic, cogitative, cognitive, concentrating, concentrative, conceptive, conceptual, conceptualized, constitutional, contemplating, contemplative, crackbrained, cracked, crackers, crazed, crazy, daft, deliberating, deliberative, deluded, demented, deprived of reason, deranged, disoriented, dispositional, distraught, disturbed, emotional, endopsychic, excogitating, flighty, fruity, hallucinated, ideative, ideological, immaterial, innate, inner, insane, intellectual, intelligent, internal, introspective, irrational, loco, loony, lunatic, mad, maddened, maniac, manic, mazed, meditating, meditative, mentally deficient, mentally ill, meshuggah, mindless, moon-struck, museful, musing, noetic, non compos, non compos mentis, noological, not all there, not right, nuts, nutty, odd, of unsound mind, off, pensive, perceptual, phrenic, pondering, prehensive, psychic, psychical, psycho, psychologic, psychological, psychotic, queer, rational, reasoning, reasonless, reflecting, reflective, ruminant, ruminating, ruminative, screwy, senseless, serious, sick, sober, speculative, spiritual, stark-mad, stark-staring mad, strange, subjective, telepathic, temperamental, tetched, theoretical, thinking, thought, thoughtful, touched, unbalanced, unhinged, unsane, unsettled, unsound, unstable, wandering, wistful, witless