boxy

 

English Wikipedia has an article on:

boxy

Wikipedia

From box +‎ -y.

• IPA^(key): /ˈbɒk.si/

  Rhymes: -ɒksi

boxy (comparative boxier, superlative boxiest)

1. Box-shaped, box-like, or otherwise suggestive of boxes (with right angles or at least blunt profiles).

• squared off (participial adjective sense)