Find Antonyms

protrusion Antonyms

Opposite of protrusion

Because the opposite of protrusion shifts with each meaning, the 9 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• noun (Context 1)

Something that sticks out, bulges, or projects beyond an adjacent surface.

Usage Example

"The geologist examined a rocky indentation jutting out from the side of the canyon wall."

Strongest
indentation
depression
cavity
Strong
hollow
recess
dent

• noun (Context 2)

The action of sticking out or the state of being thrust forward (especially of an anatomical organ, disc, or structure displaced beyond its normal boundaries).

Usage Example

"The MRI scan revealed a mild disc retraction in the lower lumbar spine."

Strongest
retraction
Strong
withdrawal
recession

Similar words to protrusion

Words similar to protrusion shift depending on context. Common synonyms include:

protuberance
projection
bulge
extrusion
outgrowth
prominence
extension
outcrop
See all synonyms of protrusion

• Nearby Words

protraction
protractor
protrude
protrusion
protrusiveness
protuberance
proud

Cite this Entry

Wordmom. (2026). Antonyms for Protrusion. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/protrusion
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