lumpy (adj.)
- awkward
- bulky
- bumpy
- chunky
- clotted
- clumsy
- coagulated
- congealed
- crude
- cumbersome
- cumbrous
- curdled
- elephantine
- gnarled
- gnarly
- grainy
- granular
- grumous
- hulking
- hulky
- jelled
- jellied
- knobbly
- knobby
- knotted
- knotty
- lubberly
- lumbering
- lumpish
- massive
- nodular
- ponderous
- raw
- rough
- roughhewn
- rude
- studded
- thickened
- undressed
- uneven
- unfinished
- unformed
- unpolished
- unwieldy