Self-complacent in a sentence as an adjective

For the Platonic dialogue—this revoltingly self-complacent and childish kind of dialectics—to exercise any charm over you, you must never have read any good French authors,—Fontenelle for instance.

Self-complacent definitions

adjective

contented to a fault with oneself or one's actions; "he had become complacent after years of success"; "his self-satisfied dignity"

See also: complacent self-satisfied