Synonyms and related words :
arrant, aweless, barefaced, blatant, bold, bold as brass, boldfaced, brassy, brazen, brazenfaced, exhibitionistic, flagrant, forward, immodest, impudent, lost to shame, notorious, overbold, shameless, swaggering, unappalled, unashamed, unawed, unblenching, unblinking, unblushing, unconcerned, uncowed, uncringing, undaunted, undismayed, unembarrassed, unflinching, unintimidated, unmodest, unshrinking