noncongruent

adjective

non·​con·​gru·​ent ˌnän-kən-ˈgrü-ənt 

-ˈkäŋ-grü-ənt

: lacking congruity : not congruent

noncongruent triangles

Underlying all of this is the fundamental problem of the country's having adopted two noncongruent ideals of higher education.

—Nicholas Lemann

Word History

First Known Use

1868, in the meaning defined above