Standard Lemma guide

fundament

noun · 6 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • General-American, Received-Pronunciation: /ˈfʌn.də.mənt/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • Australian: /ˈfan.də.mənt/

1

noun

Meaning 1

Foundation.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The bottom; the buttocks or anus.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The underlying basis or principle for a theoretical or mathematical system.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

lowest support of a structure

Definition source: Princeton WordNet 3.0

Examples

  • it was built on a base of solid rock
  • he stood at the foot of the tower

Meaning relationships

Synonyms: foundation, base, foot, groundwork, substructure, understructure

Antonyms: none provided

Broader terms: support

Narrower terms: bed, raft foundation

5

noun

Meaning 5

the fleshy part of the human body that you sit on

Definition source: Princeton WordNet 3.0

Examples

  • he deserves a good kick in the butt
  • are you going to sit on your fanny and do nothing?

Meaning relationships

Synonyms: buttocks, nates, arse, butt, backside, bum, buns, can, hindquarters, hind end, keister, posterior, prat, rear, rear end, rump, stern, seat, tail, tail end, tooshie, tush, bottom, behind, derriere, fanny, ass

Antonyms: none provided

Broader terms: body part

6

noun

Meaning 6

the fundamental assumptions from which something is begun or developed or calculated or explained

Definition source: Princeton WordNet 3.0

Examples

  • the whole argument rested on a basis of conjecture

Meaning relationships

Synonyms: basis, base, foundation, groundwork, cornerstone

Antonyms: none provided

Broader terms: assumption, supposition, supposal

Narrower terms: meat and potatoes

History

Etymology

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

Across languages

Translations

6 source translations are retained for this English entry.

  • Spanish: fundamento — foundation
  • Chinese Mandarin: 基礎 /基础 (jīchǔ) — underlying basis or principle for a theoretical or mathematical system
  • Finnish: perusteet — underlying basis or principle for a theoretical or mathematical system
  • Russian: фунда́мент (fundáment) — underlying basis or principle for a theoretical or mathematical system
  • Turkish: temel — underlying basis or principle for a theoretical or mathematical system
  • Ottoman Turkish: تمل (temel) — underlying basis or principle for a theoretical or mathematical system