Phrase guide

smooth muscle

noun · 3 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

Involuntary muscle which is found within the intestines, throat, uterus, and blood vessel walls.

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

muscle tissue that does not appear striated under the microscope; has the form of thin layers or sheets

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: muscle, muscular tissue

3

noun

Meaning 3

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: involuntary 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

19 source translations are retained for this English entry.

  • Chinese Mandarin: 平滑肌 (pínghuájī) — involuntary muscle
  • Finnish: sileä lihaskudos — involuntary muscle
  • French: muscle lisse — involuntary muscle
  • German: glatte Muskulatur — involuntary muscle
  • Hindi: चिकनी मांसपेशी (ciknī mānspeśī) — involuntary muscle
  • Hindi: अरेखित मांसपेशी (arekhit mānspeśī) — involuntary muscle
  • Hindi: अनैच्छिक मांसपेशी (anaicchik mānspeśī) — involuntary muscle
  • Hungarian: simaizom — involuntary muscle
  • Indonesian: otot polos — involuntary muscle
  • Italian: muscolo liscio — involuntary muscle
  • Northern Kurdish: lûsemasûlke — involuntary muscle
  • Malay: otot licin — involuntary muscle
  • Polish: mięsień gładki — involuntary muscle
  • Portuguese: músculo liso — involuntary muscle
  • Romanian: mușchi neted — involuntary muscle
  • Russian: гла́дкая мы́шца (gládkaja mýšca) — involuntary muscle
  • Telugu: నునుపు కండరము (nunupu kaṇḍaramu) — involuntary muscle
  • Thai: กล้ามเนื้อเรียบ (glâam-nʉ́ʉa-rîiap) — involuntary muscle
  • Welsh: cyhyr llyfn — involuntary muscle