/ Dictionary / Index S stumer: Meaning and Definition of Find definitions for: stu•mer Pronunciation: (st'mur, sty'-), [key] — n. Brit. Slang. something bogus or fraudulent. a counterfeit coin or bill. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stumbling block stump Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language