/ Dictionary / Index S self-deception: Meaning and Definition of Find definitions for: self-de•cep•tion Pronunciation: (self'di-sep'shun, self"-), [key] — n. the act or fact of deceiving oneself. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: self-deception (Thesaurus) self-deceiving self-defeating Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language