Antonyms of adj incongruent

1 sense of incongruent

Sense 1
incongruent (vs. congruent) -- (not congruent)

congruent (vs. incongruent) -- (coinciding when superimposed)
        => coincident -- (matching point for point; "coincident circles")
        => identical, superposable -- (coinciding exactly when superimposed; "identical triangles")

Similarity of adj incongruent

1 sense of incongruent

Sense 1
incongruent (vs. congruent) -- (not congruent)