incongruous

adj. 1 out of place; absurd. 2 (often foll. By with) out of keeping.  incongruity n. (pl. -ies). Incongruously adv.

a. Not congruous; reciprocally disagreeing; not capable of harmonizing or readily assimilating; inharmonious; inappropriate; unsuitable; not fitting; inconsistent; improper; as, an incongruous remark; incongruous behavior, action, dress, etc.