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fundament

American  
[fuhn-duh-muhnt] / ˈfʌn də mənt /

noun

  1. the buttocks.

  2. the anus.

  3. a base or basic principle; underlying part; foundation.


fundament British  
/ ˈfʌndəmənt /

noun

  1. euphemistic the buttocks

  2. the natural features of the earth's surface, unaltered by man

  3. a base or foundation, esp of a building

  4. a theory, principle, or underlying basis

"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

Etymology

Origin of fundament

1250–1300; < Latin fundāmentum foundation; replacing Middle English fondement < Old French. See found 1, -ment

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.

See Examples For:

And fundament is an old euphemism for “buttocks.”

From The Wall Street Journal Apr. 7, 2026

Stevo Pendarovski, president of North Macedonia, called peace “the fundament of everything.”

From Seattle Times Sep. 23, 2023

The Princeton-based composer, 32, collapses perceptions between East and West, electronic and acoustic, fundament and future.

From Washington Post Jan. 22, 2022

It is not only a vector by which “religion” enters public discourse, but a crucial means by which we identify and measure the merits of “religion”: a corrosive fundament, a wince-inducing distraction, a necessary corrective.

From Salon Sep. 17, 2013

Titian prepared his pictures with a solid stratum of pigment, which served as a bed or fundament, upon which to return frequently.

From Famous European Artists by Sarah K. Bolton

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