/ Dictionary / Index D dongle: Meaning and Definition of Find definitions for: don•gle Pronunciation: (dong'gul, dông'-), [key] a hardware device attached to a computer without which a given software program will not run: used to prevent unauthorized use. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dongle (Thesaurus) Don Giovanni* Dongola Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language