Synonyms of sassy

1 Syllable
flip, bold, pert, smart, rude, fresh, spiff, wise
2 Syllables
brassy, smarter, snobby, nervy, bandbox, brazen, chesty, gally, doggier, flippest, lippy, smarted, arrant, saucier, stylish, saucy, cheeky, snotty, uppish, fearless, smartest, perter, doggy, flippant, chestier, nervier, nobbier, flipper, defiant, mouthy, dapper, pertest, nobby
3 Syllables
snippety, impudent, out-of-line, insolent, overbold, boldfaced, precocious, discourteous, smart-mouthed, eggheaded, unfilial, audacious, aweless, malapert
4 Syllables
impertinent, smart-alecky, disrespectful, derisive, irreverent, contumelious
5 Syllables
irreverential