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.
Often called the "cold blob", this swath of water in the North Atlantic has bucked the global warming trend, cooling even as the planet's temperatures rise due to human-induced climate change.
From Barron's • Jun. 26, 2026
The blob was earth-toned and splashed bestselling covers for years.
From Los Angeles Times • Mar. 16, 2026
We are no longer talking about individual law enforcement agencies, but rather a giant, singular blob.
From Slate • Feb. 9, 2026
You can pick a green blob, a buff, tattooed Zane, gamer girl Kira or even virtual versions of real people such as the esports star Faker.
From The Wall Street Journal • Jan. 11, 2026
Gilly calmly pinched a blob of gum off the end of her nose.
From "The Great Gilly Hopkins" by Katherine Paterson
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.
