/ Dictionary / Index D disfluency: Meaning and Definition of Find definitions for: dis•flu•en•cy Pronunciation: (dis-fl'un-sē), [key] — pl. -cies impairment of the ability to produce smooth, fluent speech. an interruption in the smooth flow of speech, as by a pause or the repetition of a word or syllable. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: disfluency (Thesaurus) disfigurement disfranchise Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language