/ Dictionary / Index A aff: Meaning and Definition of Find definitions for: aff Pronunciation: (af), [key] — prep., adv. Scot. off. aff. Pronunciation: [key] affirmative. affix. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. afebrile affable Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language