/ Dictionary / Index L lumpish: Meaning and Definition of Find definitions for: lump•ish Pronunciation: (lum'pish), [key] — adj. resembling a lump. having a heavy appearance; moving clumsily. having a sluggish mind; unresponsive; dull; stupid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lumpish (Thesaurus) lumpfish lump of sugar Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language