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.
Last July, the city unveiled the sculpture Cast in Blue, which locals have since nicknamed the Blue Blob.
From BBC • Mar. 25, 2026
Persin: I wish we had a bit more time to build Monstro and the Blob, to fine-tune the jiggling motion when they move.
From Los Angeles Times • Feb. 5, 2025
But in 2013, a 1,000-mile-wide mass of warm water nicknamed the Blob formed in the North Pacific.
From New York Times • Mar. 6, 2024
When a massive one, nicknamed the Blob, struck the U.S.
From National Geographic • Feb. 13, 2024
That was why Frank had been playing Alien Blob Blaster.
From "Trouble at the Arcade (The Hardy Boys: Secret Files, #1)" by Franklin W. Dixon
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.
