Fundament

//ˈfʌn.də.mənt// noun

noun ·Moderate ·College level

Definitions

Noun
  1. 1
    Foundation.
  2. 2
    lowest support of a structure wordnet
  3. 3
    The bottom; the buttocks or anus.

    "It [the Sphincter Ani] serves to purse up the Fundament, and so hinders the involuntary Evacuation of the Fæces."

  4. 4
    the fleshy part of the human body that you sit on wordnet
  5. 5
    The underlying basis or principle for a theoretical or mathematical system.
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  1. 6
    the fundamental assumptions from which something is begun or developed or calculated or explained wordnet

Synonyms

All synonyms
foundationbasisbuttocksanusarsearsehole

Example

More examples

""Where's Tom?" "Up his own fundament.""

Etymology

From Middle English, from Old French fundement, fondement, from Latin fundāmentum (“foundation”), from fundō (“I lay the bottom, I found”). Doublet of fondamento.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.