Elementary (A2)
IPA: /ˈraʊndnəs/
KK: /ˈraʊndnəs/
Definition
The quality or state of being shaped like a circle or sphere.
Example
The roundness of the ball made it easy to roll.
Conversation

Have you noticed the roundness of that new sculpture in the park?

Yeah, it's quite striking! I love how it stands out.

I think the roundness gives it a unique character.

Definitely! It makes the whole area feel more inviting.
Synonyms & Antonyms
Synonyms
curvature
sphericity
circularity
Antonyms
flatness
angularity
irregularity
Root Explanation
Roundness → It is formed from "round" (from Old English "rund", meaning circular or spherical) and "-ness" (meaning the state or quality of). The word "roundness" refers to the quality or state of being round or circular.
Memory Tip
Think of the word 'round' to remember that 'roundness' means the quality of being round.
Visually Confused Words
rotundness
soundness
proudness
boundness
profoundness
groundliness
groundedness
rousedness