protrusion

4 antonyms for protrusion — opposites grouped by meaning.

Noun — The action of sticking out from a surface.

Synonyms by Meaning

The action of sticking out from a surface.

“The tortoise, with its characteristic protrusion of the head and neck, was a symbol sacred to Venus. It represented the procreative principle.”

excrescence bulge gibbousness jut protuberance prominence jutting hump bump gibbosity extrusion projection

Something that sticks out from a surface.

Opposites

indentation cavity recess hollow

indentation cavity recess hollow

Taken from French protrusion.

bump hollow projection prominence cavity recess hump bulge protuberance jutting indentation jut