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Synonyms

carbuncle

American  
[kahr-buhng-kuhl] / ˈkɑr bʌŋ kəl /

noun

  1. Pathology. a painful circumscribed inflammation of the subcutaneous tissue, resulting in suppuration and sloughing, and having a tendency to spread somewhat like a boil, but more serious in its effects.

  2. a gemstone, especially a garnet, cut with a convex back and a cabochon surface.

  3. Also called London brown.  a dark grayish, red-brown color.

  4. Obsolete. any rounded red gem.


adjective

  1. having the color carbuncle.

carbuncle British  
/ ˈkɑːˌbʌŋkəl, kɑːˈbʌŋkjʊlə /

noun

  1. an extensive skin eruption, similar to but larger than a boil, with several openings: caused by staphylococcal infection

  2. a rounded gemstone, esp a garnet cut without facets

  3. a dark reddish-greyish-brown colour

"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

Other Word Forms

Etymology

Origin of carbuncle

1150–1200; Middle English < Anglo-French < Latin carbunculus kind of precious stone, tumor, literally, live coal, equivalent to carbōn- (stem of carbō ) burning charcoal + -culus -cule 1, apparently assimilated to derivates from short-vowel stems; cf. homunculus

Vocabulary lists containing carbuncle

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.

The long-running "Plook on the Plinth" Carbuncle Award for "the most dismal town in Scotland" has been scrapped following a backlash from its latest recipient.

From BBC • Sep. 22, 2025

It won the unwanted Carbuncle Award for poor design, which provoked some in the community to treat it not as an insult but a challenge to improve.

From BBC • Oct. 13, 2013

The Carbuncle Cup, for the ugliest building of the year, was launched by Building Design magazine in 2006, "for crimes against architecture".

From The Guardian • May 21, 2013

One, Strata SE1, won the Carbuncle Cup for worst building of the year.

From The Guardian • Mar. 10, 2013

The stars—those dial-points of heaven—now warned the adventurers to close their eyes on the blazing logs and open them in dreams to the glow of the Great Carbuncle.

From Twice Told Tales by Hawthorne, Nathaniel