1. (a.) Destitute of shame; wanting modesty; brazen-faced; insensible to disgrace.

2. (a.) Indicating want of modesty, or sensibility to disgrace; indecent; as, a shameless picture or poem.

abandoned aberrant abnormal abominable amoral arrant atrocious audacious aweless barefaced blatant bold bold as brass boldfaced brash brassy brazen brazenfaced callous calloused case-hardened cheeky colorful conscienceless corrupt corrupted criminal crooked crude dark delinquent deviant devious disgraceful dishonest dishonorable dissolute doubtful dubious evasive evil exhibitionistic extravagant felonious fishy flagrant flaring flaunting forward fraudulent garish gaudy glaring gorgeous griefless hard hardened hardhearted hardly the thing heartless high-handed ignominious ill-got ill-gotten illegal immodest immoral improper impudent inappropriate incorrect indecent indecorous indirect indurated infamous insidious inured lewd lost to shame loud lurid meretricious not done not kosher not the thing notorious obdurate obtrusive off-base off-color out-of-line outrageous overbold presumptuous profligate questionable regretless remorseless rotten rude sacrilegious scandalous screaming seared sensational shady shameful shifty shocking sinful sinister slippery sorrowless spectacular suspicious swaggering tawdry terrible tricky unabashed unashamed unblushing unconscienced unconscientious unconscionable uncontrolled underhand underhanded undue unembarrassed unethical unfit unfitting ungrieving unlawful unmodest unprincipled unregretful unregretting unremorseful unrepining unreserved unrighteous unrueful unsavory unscrupulous unseemly unsorrowful unsorrowing unsorry unstraightforward unsuitable vulgar wanton wicked wild without remorse without shame wrong wrongful