Phrase guide

involuntary muscle

noun · 2 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

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A muscle that is not controlled by individual volition, e.g., cardiac muscle and smooth muscle.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: anatomy, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a muscle that contracts without conscious control and found in walls of internal organs such as stomach and intestine and bladder and blood vessels (excluding the heart)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: smooth muscle

Antonyms: none provided

Broader terms: muscle, musculus

Narrower terms: myometrium, musculus sphincter ani internus

History

Etymology

No etymology was provided for this word.

Across languages

Translations

11 source translations are retained for this English entry.

  • Chinese Mandarin: 不隨意肌 /不随意肌 (bùsuíyìjī) — involuntary muscle
  • Dutch: onwillekeurige spier — involuntary muscle
  • Finnish: tahdosta riippumaton lihas — involuntary muscle
  • French: muscle involontaire — involuntary muscle
  • Northern Kurdish: masûlkeya xwenewîst — involuntary muscle
  • Northern Kurdish: masûlkeya xonevîn — involuntary muscle
  • Māori: auau aunoa — involuntary muscle
  • Polish: mięsień niepodległy woli — involuntary muscle
  • Romanian: mușchi involuntar — involuntary muscle
  • Romanian: mușchi necomandabil — involuntary muscle
  • Turkish: istemsiz kas — involuntary muscle