1. (adj)regretful, sorry, bad feeling or expressing regret or sorrow or a sense of lossover something done or undone "felt regretful over his vanished youth"; "regretful over mistakes she had made"; "he felt bad about breaking the vase"
Definitions of 'regretful'
Webster 1913 Dictionary
1. (adj)regretful full of regret; indulging in regrets; repining