Shameless

Part of speech: adjective (a.)

1. Destitute of shame; wanting modesty; brazen-faced; insensible to disgrace. "Such shameless bards we have." Pope. Shame enough to shame thee, wert thou not shameless. Shak.

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

Synonyms: Impudent; unblushing; audacious; immodest; indecent; indelicate. Shame"less*ly, adv. Shame"less*ness, n.