overfamiliar

arrogant, bumptious, complacent, conceited, egoistic (also egoistical), egomaniacal, egotistic (or egotistical), highfalutin (also hifalutin), high-and-mighty, high-hat, hoity-toity, important, overweening, pompous, prideful, proud, self-asserting, self-assertive, self-complacent, self-conceited, self-important, self-satisfied, smug, uppity, vain, vainglorious

cavalier, disdainful, haughty, lordly, pretentious, snobbish, stuck-up, supercilious, superior

audacious, bold-faced, brash, brassbound, brassy, brazen, cheeky, cocky, fresh, impertinent, impudent, insolent, overbold, pert, sassy, saucy

confident, self-assured, self-confident, sure

boastful, braggart, bragging

domineering, high-handed, imperious

self-absorbed, self-centered, self-concerned, self-engrossed, self-infatuated, self-interested, self-involved, selfish, self-obsessed, self-seeking