/ Dictionary / Index F F.A.A.A.S.: Meaning and Definition of Find definitions for: F.A.A.A.S. Pronunciation: [key] Fellow of the American Academy of Arts and Sciences. Fellow of the American Association for the Advancement of Science. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. FAA fab Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language