shamelessness noun2 •The state or characteristic of being shameless.[H]e added to all his other shamelessness this, that he offered the patriarch a large sum of money to buy a bishopric of him. — 1853 •(rare) An utterance or action which is shameless.He asked of course after Taimsa, who was still dallying in shamelessnesses at Antioch. — 2006 formsshamelessnesses