ˈprigish, -gēsh adjective
Etymology: prig (IV) + -ish
: characteristic or suggestive of a prig ; especially : marked by overvaluing oneself or one's ideas, habits, notions, by precise or inhibited adherence to them, and by small disparagement of others
the instructor must not act like a priggish moderator with a gavel — J.M.Barzun
Synonyms: see complacent