Words Of Remorse

adjective feeling or showing regret

• She felt regretful for not attending the important meeting.
• He was so regretful about missing the concert last night.
• I'm totally regretful for not saving enough money for the trip.
• The decision to sell the house was regretful in the long run.

adjective expressing or causing regret or sorrow; unfortunate

• It is regrettable that the project was not completed on time.
• I heard about the regrettable situation with the car accident.
• It's really regrettable that we can't go to the concert tonight.
• The missed opportunity was truly regrettable.