Found 2 items, similar to lumpish.
English → English (WordNet) Definition: lumpish lumpish adj : mentally sluggish [syn: lumpen, unthinking]
English → English (gcide) Definition: Lumpish Lumpish \Lump"ish\, a. Like a lump; inert; gross; heavy; dull; spiritless. “ Lumpish, heavy, melancholy.” --Shak. -- Lump"ish*ly, adv. -- Lump"ish*ness, n. [1913 Webster]