/ Dictionary / Index F full speed: Meaning and Definition of Find definitions for: full' speed' Pronunciation: [key] the maximum speed. the speed normally maintained on a passage. at maximum speed: to move full speed ahead. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. full-size full stop 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