adj
lumpy
LUHM-pee
adj
1
Full of lumps; not smooth or even.
"The mashed potatoes turned out lumpy because he forgot to mash them properly."
"She slept badly on the old, lumpy mattress."
2
Of water: choppy, covered in small rough waves.
"The sea got lumpy as the wind picked up, so they turned the boat back."
How to Use Lumpy
Learner’s notesIn plain EnglishNot smooth — full of bumps or lumps, whether that's gravy, a mattress, or choppy water.
Common pairings
lumpy gravy
lumpy mattress
lumpy sea
Word Forms
lumpier comparative, lumpiest superlative
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The mashed potatoes turned out _____ because he forgot to mash them properly.
Etymology
From lump + the adjective-forming suffix -y.