Antonyms of adj unregretful

1 sense of unregretful

Sense 1
unregretful (vs. regretful), unregretting -- (feeling no regret; "was completely unregretful about what had happened")

regretful (vs. unregretful), 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")

Similarity of adj unregretful

1 sense of unregretful

Sense 1
unregretful (vs. regretful), unregretting -- (feeling no regret; "was completely unregretful about what had happened")