/ Dictionary / Index U universal affirmative: Meaning and Definition of Find definitions for: univer'sal affirm'ative Pronunciation: [key] — Logic. Logic. a proposition of the form “All S is P.” Symbol: A, a Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. universal universal chuck Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language