/ Dictionary / Index F fpsps: Meaning and Definition of Find definitions for: fpsps Pronunciation: [key] feet per second per second. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fps FPT Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language