Smug
Part of speech: adjective
Definition: Irritatingly pleased with oneself; self-satisfied.
Example sentence: What is feminism? Simply the belief that women should be as free as men, however nuts, dim, deluded, badly dressed, fat, receding, lazy, and smug they might be.
Self-satisfied
Part of speech: adjective
Definition: satisfied with oneself; especially too satisfied; smug; slightly arrogant