/ Dictionary / Index B B.F.S.: Meaning and Definition of Find definitions for: B.F.S. Pronunciation: [key] Bachelor of Foreign Service. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. B.F.A.Mus. BFT Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language