nonslanted
Nonslanted refers to something that is not slanted. In a literal sense, it means something is perfectly vertical or horizontal, without any deviation or tilt. For example, a nonslanted wall would be perfectly straight up and down, and a nonslanted table would have a perfectly level surface.
The term can also be used figuratively to describe a perspective or presentation that is neutral and
Conversely, something described as "slanted" would imply a bias, a tilt in one direction, or a lack