Synonyms of unabashed

1 Syllable
lewd, bold, rude, brash
2 Syllables
flagrant, brassy, braver, brazen, chesty, bravest, wanton, flippest, arrant, chin-up, cheeky, uppish, fearless, chestier, brassier, smartass, flipper, braved, forward, blatant, smart-ass
3 Syllables
snippety, improper, impudent, immoral, immodest, malapert, insolent, baldfaced, hardened, overbold, outrageous, unblushing, depraved, presumptuous, unblenching, unchaste, high-handed, bald-faced, audacious, shameless
4 Syllables
barefaced, smart-alecky, unprincipled, unashamed, profligate, undauntable, dissolute, brazenfaced, abandoned, reprobate
5 Syllables
incorrigible