Boxy (adjective)

Having the shape of a box, square or rectangular.

Origin:

From the shape of a box.

Examples:

1. The boxy car had a very square shape.
2. The boxy building had no curves or rounded edges.
3. The boxy room had no natural light.
4. The boxy furniture was very modern and minimalistic.
5. The boxy shape of the watch made it look very dated.