unregretful - feeling no regret; "was completely unregretful about what had happened"unregrettingregretful, sorry, bad - feeling or expressing regret or sorrow or a sense of loss over something done or undone; "felt regretful over his vanished youth"; "regretful over mistakes she had made"; "he felt bad about breaking the vase"
unregretful - feeling no regret; "was completely unregretful about what had happened"