unsquare
/ˌʌnskweər/Definitions
1. adjective
not square or rectangular in shape; irregular
“The unsquare edges of the old mansion made it stand out in the neighborhood.”
2. verb
to make or become not square or rectangular in shape; to become irregular
“The stone walls will unsquare over time due to weather erosion.”
3. noun
something that is not square or rectangular in shape; an irregular shape
“The artist’s use of unsquare shapes in her painting created a unique visual effect.”