/ Dictionary / Index D dingus: Meaning and Definition of Find definitions for: ding•us Pronunciation: (ding'us), [key] — pl. -us•es. a gadget, device, or object whose name is unknown or forgotten. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dingo dingy Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language