The condition of having the right side differing from the left.

Want of symmetry, defective correspondence between things or their parts, disproportion.

The quality of being one-sided; lopsidedness; bias, partiality.

Lack or absence of symmetry.

(un-, prefix1 affix 6.)

The property, condition, or fact of having a distinction between sides; lack of symmetry, esp. in a superficially symmetrical structure or…