unabashed

not embarrassed or ashamed unabashed by their booing and hissing, he continued with his musical performance Synonyms shameless, unashamed, unblushing, unembarrassed Related Words prideful, proud; bold, brassy, brazen, cheeky, impudent, insolent, saucy; unapologetic, undaunted, undeterred, undismayed; unblinking, unflinching; impenitent, remorseless, unrepentant Near Antonyms confounded, confused, discomfited, disconcerted, discountenanced, fazed, flustered, mortified, nonplussed (also nonplused), rattled; apologetic, contrite, penitent, remorseful, repentant, sorry Antonyms abashed, ashamed, embarrassed, hangdog, shamed, shamefaced, sheepish