1. people who feel sorry or disappointed about something they have done or failed to do
Usage: plural form

Examples

• The regretters gathered to discuss their past mistakes.
• Many regretters wished they had studied harder in college.
• The support group was full of regretters who wanted to make amends.
• Some regretters find it difficult to move forward from their past decisions.
• The regretters shared their stories of missed opportunities.
• Not all regretters are willing to take action to change their situation.