In-con'gru-ous, a.

a. [Prefix in, not, and congruous; Lat. incongruus, It. & Sp. incongruo, Fr. incongru.] Not congruous to a standard or end; not reciprocally agreeing; not capable of being harmonized; not readily assimilating; unsuitable; not fitting; inconsistent; improper. “Incongruous mixtures of opinion.” I. Taylor. “Made up of incongruous parts.” Macaulay.

Incongruous numbers (Arith.), two numbers, which, with respect to a third, are such that their difference can not be divided by it without a remainder, the two numbers being said to be incongruous with respect to the third.

Synonyms—Inconsistent; unsuitable; unsuited; inappropriate; unfit; improper. See INCONSISTENT.