/ Dictionary / Index P perfectionism: Meaning and Definition of Find definitions for: per•fec•tion•ism Pronunciation: (pur-fek'shu-niz"um), [key] — n. any of various doctrines holding that religious, moral, social, or political perfection is attainable. a personal standard, attitude, or philosophy that demands perfection and rejects anything less. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: perfectionism (Thesaurus) perfection perfectionist Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language