/ Dictionary / Index K klutz: Meaning and Definition of Find definitions for: klutz Pronunciation: (kluts), [key] — n. Slang. a clumsy, awkward person. a stupid or foolish person; blockhead. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: klutz (Thesaurus) klunker klutzy Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language