adjective
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full of or having lumps
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(esp of the sea) rough
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(of a person) heavy or bulky
Other Word Forms
Derived Forms
Inflected Forms
Adjectives
Etymology
Origin of lumpy
Explanation
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. It's easier to play a game of croquet on a smooth lawn, rather than a lumpy field full of bumps and holes. And you may find a silky bowl of chocolate pudding delicious, but be disgusted by the texture of a lumpy serving of tapioca pudding. The adjective lumpy, by way of the noun lump, comes from the Old English lumpe, from a Scandinavian root.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
There are a few lumpy patches, moments when the revision over-explains itself or belabors a point.
From Los Angeles Times ● May 20, 2026
Company executives have argued that bookings weren’t an accurate reflection of business momentum as they can be lumpy between quarters, and decided to forgo the metric.
From The Wall Street Journal ● Apr. 15, 2026
Prudential Financial, 6.9 times earnings, and Everest Group, 6.3 times, are insurance and reinsurance companies that can have lumpy earnings.
From Barron's ● Apr. 10, 2026
They omit airplanes, cars and military spending because of how lumpy those categories are month to month.
From MarketWatch ● Apr. 7, 2026
I remembered Ma groaning Give me strength as Toby turned up his nose at anything but lumpy porridge.
From "Willodeen" by Katherine Applegate
A uniform signal would favor meteoritic fallout, whereas a lumpier distribution, and the presence of minerals that hint at microbe-fueling reactions, could be a sign of life—and a green light to drill a sample.
From Science Magazine ● Jun. 25, 2020
The lines did look lumpier than expected, but I wasn’t prepared for the taste.
From The New Yorker ● Nov. 18, 2019
Act 2 gets lumpier, as Nick struggles to concoct a show destined to be “something rotten” — like the state of Hamlet’s Denmark.
From Seattle Times ● Sep. 15, 2017
Opposite Billy would sit Mako, big brother in every way - two years older, heavier and lumpier, now England's loose-head prop.
From BBC ● Oct. 27, 2013
The cushions felt lumpier on the ground than they’d been on the couch, and they kept sliding apart beneath her.
From "Orphan Island" by Laurel Snyder
But inside the square head of this butcher's son is a fantastically retentive brain that gobbles up details of technology and digests the lumpiest government problem.
From Time Magazine Archive
Babulya sat across the table, knitting the lumpiest scarf Anya had ever seen.
From Anya and the Dragon by Sofiya Pasternack
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Get a wordDefinitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
