Covered or filled with lumps. 2. Thickset or cumbersome. 3. Exhibiting short jumbled waves; choppy: lumpy seas; a lumpy channel.

Is lumpiness a word?

noun The quality or condition of being lumpy or full of lumps.

What does it mean when something is lumpy?

Lumpy things are uneven and full of bumps or chunks. While lumpy oatmeal might be good, a lumpy mattress can make it impossible to get a good night's sleep.