Complacent vs Bigheaded - What's the difference?

As adjectives the difference between complacent and bigheaded

is that complacent is uncritically satisfied with oneself or one's achievements; smug while bigheaded is .

(en adjective)

Uncritically satisfied with oneself or one's achievements; smug.

Apathetic with regard to an apparent need or problem.

* (term) should not be confused with its homophone, complaisant.

* smug * self-satisfied

* (l) * self-complacent

* * ----

(en adjective)