/ Dictionary / Index D disloyal: Meaning and Definition of Find definitions for: dis•loy•al Pronunciation: (dis-loi'ul), [key] — adj. false to one's obligations or allegiances; not loyal; faithless; treacherous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: disloyal (Thesaurus) dislodge disloyalty Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language