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