lumpy

adjective

ˈləm-pē 

lumpier; lumpiest

1

a

: filled or covered with lumps

b

: characterized by choppy waves

2

: having a heavy clumsy appearance

3

: uneven and often crude in style

lumpily

ˈləm-pə-lē 

adverb

lumpiness

ˈləm-pē-nəs 

noun

Synonyms of lumpy

• clumpy
• thick
• chunky
• curdy
• nubby
• nubbly

Examples of lumpy in a Sentence

the lumpy mashed potatoes were cold as well

before painting, we had to sand the lumpy surface to make it smooth

Recent Examples on the Web

Hups, a science teacher at Colorado’s Northglenn High School, immediately recognized the lumpy sandstone as dinosaur toes. — Mrigakshi Dixit, Interesting Engineering, 21 Sep. 2026

To rule this scenario out, the team built a lumpy ring model and ran 10 million simulated occultations. — Jacek Krywko, ArsTechnica, 19 Sep. 2026

Dumping it in all at once could leave you with a lumpy sauce instead of a smooth one. — Maggie Meyer Glisan, Better Homes & Gardens, 19 Sep. 2026

That leads to a strange, lumpy gravity that's not uniform across the lunar surface. — Tariq Malik, Space.com, 10 Sep. 2026

Word History

First Known Use

circa 1706, in the meaning defined at sense 1a

Phrases Containing lumpy

• lumpy jaw

Rhymes for lumpy

• bumpy
• dumpy
• grumpy
• jumpy
• stumpy

Kids Definition

lumpy

adjective

ˈləm-pē 

lumpier; lumpiest

: having or full of lumps

lumpiness noun