blob
Americannoun
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a globule of liquid; bubble.
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a small lump, drop, splotch, or daub.
A blob of paint marred the surface.
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an object, especially a large one, having no distinct shape or definition.
a blob on the horizon.
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a dull, slow-witted, and uninteresting person.
verb (used with object)
noun
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a soft mass or drop, as of some viscous liquid
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a spot, dab, or blotch of colour, ink, etc
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a indistinct or shapeless form or object
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a slang word for condom
verb
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of blob
1400–50; late Middle English; apparently expressive formation
Explanation
A blob is a spot, drop, or a shapeless mass of something, You can't just put blobs of paint on your canvas and call it art! Blob is often used interchangeably with glob or drop. You might top your apple pie with blobs of whipped cream, or put a blob of toothpaste on your toothbrush. And if your map appears to be just blobs of color, you might want to put your glasses on and look again. Blob first appeared as a verb in the 15th century, meaning "to mark with drops or granules," a close relation of bubble.
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:
As that warm blob of ocean water hugs the coast of South America, it heats the air above, causing the pressure to drop.
From Los Angeles Times ● Jul. 22, 2026
On climate maps, it appears as a strange blue smudge in a sea of red - the so-called cold blob.
From BBC ● Jul. 14, 2026
While worldwide sea surface temperatures have increased by 1C on average since 1900, the cold blob region has cooled by up to 0.9C, according to a 2019 study.
From Barron's ● Jun. 26, 2026
That flying blob of insanity isn’t for everyone.
From The Wall Street Journal ● Feb. 16, 2026
He lay sprawled on his bed, a lazy blob in dirty cargo pants and unlaced high-top sneakers.
From "Hoot" by Carl Hiaasen
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“It’s like this that humanism itself gets swallowed up by nihilism,” he adds, concretizing that image in his movie with many scenes of environmental degradation realized as crawling blobs of death.
From Salon ● Jul. 22, 2026
"In this model, blobs of matter are chaotically being ejected from the surface of the bloated stars in an asymmetric fashion," Fuller says.
From Science Daily ● Jul. 21, 2026
She makes a "smoothie" out of her fluffy yellow cream, rubbing blobs on the back of her hand and mixing it with a tinted moisturiser.
From BBC ● Jun. 6, 2026
My friends were skeptical as I placed the uneven, cinnamon-covered blobs in their palms.
From Salon ● Mar. 17, 2026
There were blobs of grape jelly in his whiskers.
From "Flora & Ulysses: The Illuminated Adventures" by Kate DiCamillo
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Over the previous 10 years of Test cricket, England's openers blobbed out 27 times in 121 matches, an average of one opener-duck per 4.5 Tests.
From BBC ● Dec. 31, 2021
If unable to find water, they blobbed, an entanglement that enabled them to survive out of water 10 times longer than individual worms.
From New York Times ● Oct. 25, 2021
Admittedly, as that student blobbed into the man I am today, I do wonder if the sedentary Lister was the wisest role model to choose.
From The Guardian ● Sep. 21, 2017
Revelers blobbed together, migrating as Rio’s winter twilight slipped in.
From The Wall Street Journal ● Aug. 19, 2016
Meanwhile the deer-cart was drawn to the far side of a thick fence, and the door being opened, a lubberly-looking animal, as big as a donkey, blobbed out, and began feeding very composedly.
From Jorrocks' Jaunts and Jollities by Surtees, Robert Smith
Dr. Ding, who studies blobbing in the much-studied nematode Caenorhabditis elegans, described her C. elegans blobs as “strongly overlapping, like a bowl of spaghetti noodles.”
From New York Times ● Oct. 25, 2021
Maisie suggested painting and I started blobbing out pretty colours.
From The Guardian ● Mar. 31, 2017
Beside her on each side, both Ess and Loo were already scribbling and blobbing ink all over their stones.
From "Orphan Island" by Laurel Snyder
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Definitions 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.