a globule of liquid; bubble.
a small lump, drop, splotch, or daub: A blob of paint marred the surface.
an object, especially a large one, having no distinct shape or definition: a blob on the horizon.
a dull, slow-witted, and uninteresting person.

verb (used with object), blobbed, blob·bing.

to mark or splotch with blobs.

Origin of blob

1400–50; late Middle English; apparently expressive formation Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for blob

splotch, droplet, glob, blotch, bead, blot, dab, splash, daub, globule, ball, bubble, dot

Examples from the Web for blob

Contemporary Examples of blob

Historical Examples of blob

  • The operator manipulated the controls and the blob began to overtake the dot.

    The Leech

    Phillips Barbee

  • "I wish I didn't have such a blob of a nose," she said ruefully.

  • The heart of one was a blob of mud, which gave off a most baleful vapour.

    Tropic Days

    E. J. Banfield

  • It was half-past eight by the church clock, the face of which was a blob of brightness.

    Meg's Friend

    Alice Abigail Corkran

  • He couldn't reach Casker, on the other side of the gigantic sphere of blob.

    One Man's Poison

    Robert Sheckley

British Dictionary definitions for blob



a soft mass or drop, as of some viscous liquid
a spot, dab, or blotch of colour, ink, etc
a indistinct or shapeless form or object
a slang word for condom

verb blobs, blobbing or blobbed

(tr) to put blobs, as of ink or paint, on
Derived Formsblobby, adjective

Word Origin for blob

C15: perhaps of imitative origin; compare bubble
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for blob

"drop, globule," 1725, from a verb meaning "to make or mark with blobs" (early 15c.), perhaps related to bubble. The same word was used 16c. in a sense "bubble, blister."

Online Etymology Dictionary, © 2010 Douglas Harper