Find Synonyms

sphincter Synonyms

Another word for sphincter

Choosing another word for sphincter that fits your sentence is easier when synonyms and similar words are paired with an exact noun definition and ranked by match strength.
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• noun (Context 1)

A ring-shaped muscle that surrounds and is able to contract or close a bodily opening or passage, regulating the flow of substances through it.

Usage Example

"The lower esophageal constrictor prevents stomach acid from flowing back up into the esophagus."

Strong
constrictor

Opposites of sphincter

The opposite of sphincter shifts depending on context. Common opposites include:

dilator
See all opposites of sphincter

• Nearby Words

sphericalness
spheroid
sphex
sphincter
sphinx
sphinxlike
spic

Cite this Entry

Wordmom. (2026). Synonyms for Sphincter. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/sphincter
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