\ ˈbläb How to pronounce blob (audio) \

Definition of blob

 (Entry 1 of 2)

1a : a small drop or lump of something viscid or thick
b : a daub or spot of color
2 : something shapeless


blobbed; blobbing

Definition of blob (Entry 2 of 2)

transitive verb

: to mark with blobs : splotch

Keep scrolling for more

Examples of blob in a Sentence

Noun That blue blob in the corner of the map is the lake we're headed for. flicked a blob of jelly on the toast and began to spread it around
Recent Examples on the Web: Noun The rest of the process is a combination of shaping the blob of glass, blowing it, rolling it on the marver, and always, always making sure that everything is kept hot—this is the only way to keep the glass malleable and, therefore, workable. Megan Embrey, House Beautiful, "In The Hotshop With Cheryl Saban, Glassmaker Extraordinaire," 16 Feb. 2021 Only to return as a cat or a white blob or voiced by Tina Fey. Jason Kehe, Wired, "What You Lose When You Turn Into an Animal," 18 Jan. 2021 One such blob of polar air will dominate our weather into mid-February. Star Tribune, "Wind Chill Advisory This Weekend With Frigid Weather Through Next Week," 5 Feb. 2021 On December 14, 2020, a camera onboard a satellite recorded something that looked like a brown blob streaking across South America. Leslie Nemo, Scientific American, "December’s Total Solar Eclipse as Seen from Space," 22 Jan. 2021 The reams of mostly white bearded men that descended upon the Capitol last week wasn’t an amorphous blob. Nicholas Quah, Vulture, "Anything for Selena and 4 More Podcasts Worth Trying," 13 Jan. 2021 Not only does jazz musician Joe (Foxx) spend most of the movie as a celestial blob and later a housecat, but – spoiler alert! Patrick Ryan, USA TODAY, "The definitive ranking of all 23 Pixar movies (including 'Soul')," 29 Dec. 2020 After operating for nearly half a century, the plant has created an underground blob of extremely salty, phosphorus-rich water several miles wide. Nicolás Rivero, Quartz, "America’s green energy hopes hinge on propping up aging nuclear plants," 19 Dec. 2020 Scientists have discovered a new blob-like species of ctenophore, or comb jelly, off Puerto Rico. James Rogers, Fox News, "New gelatinous 'blob' species discovered in the depths of the ocean," 3 Dec. 2020 Recent Examples on the Web: Verb Saturn will be the smaller, fainter blob at Jupiter's upper right. Arkansas Online, "Jupiter, Saturn merging in night sky, closest in centuries," 22 Dec. 2020 In his paper, Ehrlich drew a toxin as an amoeboid blob with small nubs jutting out of it, each differently shaped; the antibodies were like little tadpoles whose mouths sometimes fit exactly onto the nubs. James Somers, The New Yorker, "How the Coronavirus Hacks the Immune System," 2 Nov. 2020 The felt tip glides smoothly and doesn't skip or drag—or the worst, bleed, leaving you with a big black ink blob on your eyes. Bella Cacciatore, Glamour, "Stila Eyeliner Review: We Tried Amazon’s Best-Selling Liquid Liner," 13 Oct. 2020 Although seaweed is normal, seaweed blobs this thick are not. Jacob Sweet, miamiherald, "Lots of sun, and brown slimy seaweed, in the forecast for South Florida beaches," 3 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blob.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of blob


15th century, in the meaning defined at sense 1a


15th century, in the meaning defined above

History and Etymology for blob


Middle English (Scots)

Keep scrolling for more

Learn More about blob

Time Traveler for blob

Time Traveler

The first known use of blob was in the 15th century

See more words from the same century

Statistics for blob

Last Updated

1 Mar 2021

Cite this Entry

“Blob.” Dictionary, Merriam-Webster, Accessed 7 Mar. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Keep scrolling for more

More Definitions for blob



English Language Learners Definition of blob

somewhat informal
: a usually small amount of something thick and wet
: something that does not have a regular shape


\ ˈbläb How to pronounce blob (audio) \

Kids Definition of blob

: a small lump or drop of something thick a blob of paint

Keep scrolling for more

More from Merriam-Webster on blob

Thesaurus: All synonyms and antonyms for blob

Nglish: Translation of blob for Spanish Speakers

Britannica English: Translation of blob for Arabic Speakers

Comments on blob

What made you want to look up blob? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Who Knew?

Name That Thing

Test your visual vocabulary with our 10-question challenge!


Anagram puzzles meet word search.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!