/ Dictionary / Index M mentality: Meaning and Definition of Find definitions for: men•tal•i•ty Pronunciation: (men-tal'i-tē), [key] — pl. -ties. mental capacity or endowment: a person of average mentality. the set of one's mind; view; outlook: a liberal mentality. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mentality (Thesaurus) mentalist mentally Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language