/ Dictionary / Index D dummkopf: Meaning and Definition of Find definitions for: dumm•kopf Pronunciation: (doom'kôf", -kôpf", dum'-), [key] — n. a stupid person; dumbbell; blockhead. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dumka dummy Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language