Words For Expressing Regret

adverb in a way that shows strong negative emotions such as anger or disappointment

• She spoke bitterly about the company's unethical practices.
• He bitterly complained about having to work late again.
• I bitterly regret not going to the concert last night.
• The loss of the championship game was a bitter pill to swallow for the team.

adjective feeling or expressing deep regret or guilt for a wrong committed

• The defendant appeared remorseful as he addressed the court during his sentencing hearing.
• She looked remorseful after realizing she had made a mistake.
• He was feeling pretty remorseful about ditching his friends last night.
• The painting seemed to depict a remorseful angel, with eyes downcast and wings drooping.