• synonyms


See more synonyms for blob on Thesaurus.com
  1. a globule of liquid; bubble.
  2. a small lump, drop, splotch, or daub: A blob of paint marred the surface.
  3. an object, especially a large one, having no distinct shape or definition: a blob on the horizon.
  4. a dull, slow-witted, and uninteresting person.
Show More
verb (used with object), blobbed, blob·bing.
  1. to mark or splotch with blobs.
Show More

Origin of blob

1400–50; late Middle English; apparently expressive formation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for blob

Contemporary Examples

Historical Examples

  • 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


  1. a soft mass or drop, as of some viscous liquid
  2. a spot, dab, or blotch of colour, ink, etc
  3. a indistinct or shapeless form or object
  4. a slang word for condom
Show More
verb blobs, blobbing or blobbed
  1. (tr) to put blobs, as of ink or paint, on
Show More
Derived Formsblobby, adjective

Word Origin

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."

Show More
Online Etymology Dictionary, © 2010 Douglas Harper