shame ‧ less /ˈʃeɪmləs/ BrE AmE adjective
[ Word Family: noun : ↑ shame , ↑ shamefulness , ↑ shamelessness ; adjective : ↑ ashamed ≠ ↑ unashamed , ↑ shameful , ↑ shameless ; verb : ↑ shame ; adverb : ↑ shamefully ≠ ↑ shamelessly ]
not seeming to be ashamed of your bad behaviour although other people think you should be ashamed SYN brazen :
the shameless way he lied to us
—shamelessly adverb :
She shamelessly took advantage of him.
—shamelessness noun [uncountable]