congruent UK /ˈkɒŋ.ɡɹu.ənt/US /ˈkɑŋ.ɡɹu.ənt/ adjective5 •Corresponding in character; congruous. •Harmonious. •Coinciding exactly when superimposed. •Having a difference divisible by a modulus. •Satisfying a congruence relation. formsmore congruent · most congruent