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semicircle Synonyms

Another word for semicircle

Choosing another word for semicircle depends on context, so the synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• noun (Context 1)

A half of a circle or of its circumference, formed by cutting a whole circle along a diameter line.

Usage Example

"The geometry students calculated the area and perimeter of the half-circle."

Strongest
half-circle
hemicycle
Strong
arc
Weak
crescent

• noun (Context 2)

An arrangement of people or objects forming a curved line shaped like half a circle.

Usage Example

"The teacher asked the children to sit in a half-circle around the piano."

Strongest
half-circle
Strong
hemicycle
horseshoe

• Nearby Words

semiautonomous
semibasement
semibold
semicircle
semicircular
semiconductor
semiconscious

Cite this Entry

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