Word Study
cheeky
OXFORD DICTIONARY
cheeky, adj. (cheekier, cheekiest) impertinent, impudent.
Derivative
cheekily adv. cheekiness n.
THESAURUS
cheeky
arrogant, audacious, biggety, bluff, bold, brash, brassy, brazen, bumptious, challenging, chutzpadik, cocky, contemptuous, crusty, daring, defiant, defying, derisive, disdainful, disregardful, disrespectful, facy, flip, flippant, forward, fresh, gally, gratuitous, greatly daring, impertinent, impudent, insolent, malapert, nervy, pert, regardless of consequences, rude, sassy, saucy, smart, smart-alecky, smart-ass, uncalled-for, uncivil, wise-assFor further exploring for "cheeky" in Webster Dictionary Online