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
- blobby adjective
Etymology
Origin of blob
1400–50; late Middle English; apparently expressive formation
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.
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
A few generations ago, the ultrasound would show a grainy blob.
From Science Daily • Oct. 27, 2025
The BBC analysed data from the European Copernicus climate service to calculate average temperatures between July and September across a large area of the north Pacific, sometimes known as the "warm blob".
From BBC • Oct. 17, 2025
When you look at ICE and DHS in general, a lot of people tend to conflate them into one big blob of immigration enforcement.
From Slate • Jul. 21, 2025
“There’s a blob a bit like a bowler hat,” he said.
From "Harry Potter And The Prisoner Of Azkaban" by J.K. Rowling
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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.