adj. Like lumps, composed of unshaped or mismatched pieces.
adj. Shaped like a lump, ill defined in shape.
the GNU version of the Collaborative International Dictionary of English
adj. Like a lump; inert; gross; heavy; dull; spiritless.
The Century Dictionary and Cyclopedia
Like a lump; unformed; gross; dense.
Clumsy; dull; stolid; stupid.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. mentally sluggish
Word Usage
"It is often assumed that “moral subjectivism” must denote a kind of lumpish relativism according to which whatever sentiments an individual happens to have determine the moral truth for that person; it is often assumed that moral subjectivism would therefore render incoherent the ideas of moral improvement, moral criticism, and moral disagreement."