U0029500 (ŭn-blŭsh′ĭng)adj.1. Lacking or exhibiting a lack of shame or embarrassment. See Synonyms at shameless.2. Not blushing.un·blush′ing·ly adv.Thesaurus
Adv.
1.
unblushingly - without blushing; "his principal opponent unblushingly declared victory before the ballots had been counted"