squarish

1. Approximately square.

   somewhat square in appearance or form

2. Somewhat square.

   1996, Kenzaburō Ōe, An Echo of Heaven (1989), translated by Margaret Mitsutani, Tokyo: Kondansha International, Chapter 1, p. 22, She gaily thrust her squarish chin toward the front of the tent.

3. Oblong.

regular