1. feeling or showing sadness or disappointment about something that has happened or been done

Examples

• She gave him a regretful look before leaving.
• He was regretful about missing his daughter’s graduation.
• The CEO issued a regretful statement about the company’s mistakes.
• I’m regretful that we couldn’t spend more time together.
• Her regretful tone suggested she wished things had gone differently.
• The team was regretful about their poor performance in the championship.