/ Dictionary / Index A affect: Meaning and Definition of Find definitions for: af•fect Pronunciation: (v.u-fekt'n.af'ekt), [key] — v.t. to act on; produce an effect or change in: Cold weather affected the crops. to impress the mind or move the feelings of: The music affected him deeply. (of pain, disease, etc.) to attack or lay hold of. —n. feeling or emotion. an expressed or observed emotional response: Restricted, flat, or blunted affect may be a symptom of mental illness, especially schizophrenia. affection; passion; sensation; inclination; inward disposition or feeling. af•fect Pronunciation: (u-fekt'), [key] — v.t. to give the appearance of; pretend or feign: to affect knowledge of the situation. to assume artificially, pretentiously, or for effect: to affect a Southern accent. to use, wear, or adopt by preference; choose; prefer: the peculiar costume he affected. to assume the character or attitude of: to affect the freethinker. (of things) to tend toward habitually or naturally: a substance that affects colloidal form. (of animals and plants) to occupy or inhabit; live in or on: Lions affect Africa. Moss affects the northern slopes. to have affection for; fancy. to aim at; aspire to. —v.i. to incline, tend, or favor (usually fol. by to): He affects to the old ways. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: affect (Thesaurus) affaire d'honneur* affectation Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language