The difference between Rounded and Unrounded

When used as adjectives, rounded means made into a circle or sphere, whereas unrounded means not rounded.

check bellow for the other definitions of Rounded and Unrounded

Rounded as an adjective:

Made into a circle or sphere.
Rounded as an adjective:

Complete or balanced.
Rounded as an adjective (mathematics):

Describing a number that has been changed to its nearest desired value.
Rounded as an adjective (botany):

Ending in a broad arch.
Rounded as an adjective (linguistics, of a vowel):

Pronounced with the lips drawn together; see rounded vowel.