If you describe someone's behaviour or attitude as unashamed, you mean that they are open and honest about things that other people might find embarrassing or shocking. I grinned at him in unashamed delight. a man rightly unashamed of his own talent. + unashamedly un·asham·ed·ly Drugs are sold unashamedly in broad daylight. not feeling embarrassed or ashamed about something that people might disapprove of