The meaning of FUNDAMENT is an underlying ground, theory, or principle.

FUNDAMENT definition: the buttocks. See examples of fundament used in a sentence.

FUNDAMENT meaning: 1. the most important facts, ideas, etc. from which something is developed: 2. a person's bottom…. Learn more.

Define fundament. fundament synonyms, fundament pronunciation, fundament translation, English dictionary definition of fundament. n. 1. a. The buttocks. b. The anus. 2. The natural features of a …

Definition of 'fundament' fundament in British English (ˈfʌndəmənt ) noun 1. euphemistic or facetious

There are eight meanings listed in OED's entry for the noun fundament, two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Dec 11, 2025 · Noun fundament n (definite singular fundamentet, indefinite plural fundament, definite plural fundamenta) a foundation

Learn the meaning of Fundament with clear definitions and helpful usage examples.

fundament (n.) late 13c., "foundation, base; buttocks, anus," from Old French fondement "foundation, bottom; land, estate; anus" (12c.), from Latin fundamentum "a foundation, ground-work; support; …

A fundament is an underlying basis or principle; foundation. In more literal contexts, it can mean the ground or base on which a structure is built. It can also be an old-fashioned term for the anus.