incongruous
adj.adj. not matching or fitting with what is around it. You use this to describe something that feels out of place or strange in its environment.
adj. not in harmony or keeping with the surroundings or other respects; inconsistent or inharmonious. Often used to describe a mismatch between two concepts or physical objects.
The bright red car looked incongruous in the quiet white neighborhood.
The modern glass skyscraper created an incongruous sight against the backdrop of the ancient stone cathedral.
The speaker's formal, academic tone was incongruous with the casual, slang-filled environment of the local coffee shop where the lecture was held.
From Latin incongruus, from in- (“not”) + congruus (“congruent”), equivalent to in- + congruous.