Standard Lemma guide

underbelly

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.

  • Received-Pronunciation: /ˈʌn.dəˌbɛl.i/
  • Canada, General-American: /ˈʌn.dɚˌbɛl.i/
  • Australian: /ˈan.dəˌbel.i/
  • Australia: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: AH1 N D ER0 B EH2 L IY0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The underside of an animal.

Definition source: English Wiktionary via Wiktextract

Examples

  • We identified the species of the snake by its blue-grey underbelly.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The underside of any thing.

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 side which is not normally seen, normally a dark, immoral place.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively

Examples

  • The area by the canal is the underbelly of town – not something you’d see in the guidebooks.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

the quality of being weak or unprotected- Winston Churchill

Definition source: Princeton WordNet 3.0

Examples

  • the soft underbelly of the Axis

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: weak part, weak spot, soft spot

5

noun

Meaning 5

the soft belly or underside of an animal's body

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: underbody

Antonyms: none provided

Broader terms: abdomen, venter, stomach, belly

6

noun

Meaning 6

lower side

Definition source: Princeton WordNet 3.0

Examples

  • the underbellies of clouds

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: bottom, underside, undersurface

History

Etymology

From under- + belly.

Across languages

Translations

5 source translations are retained for this English entry.

  • German: dunkle Seite — side which is not normally seen
  • German: Schattenseite — side which is not normally seen
  • German: Unterseite — side which is not normally seen
  • Greek: υπογάστριο (ypogástrio) — side which is not normally seen
  • Spanish: vientre — side which is not normally seen
Real reading context

underbelly in complete knowledge articles