/ Dictionary / Index H humdinger: Meaning and Definition of Find definitions for: hum•ding•er Pronunciation: (hum'ding'ur), [key] — n. Informal. a person, thing, action, or statement of remarkable excellence or effect. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: humdinger (Thesaurus) humbuggery humdrum Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language