/ Dictionary / Index F full-duplex: Meaning and Definition of Find definitions for: full-du•plex Pronunciation: (fool'd'pleks, -dy'-), [key] — adj. of or pertaining to the simultaneous, independent transmission of information in both directions over a two-way channel. Cf. half-duplex. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. full dress fuller Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language