Redpentant Raid-pin-taint adjerktive 1. Sorrowful for and typically taking action against another's error. "Alexander the Repentant, a great military leader, philosopher and cartographer of ancient Greece... Perhaps the best known part of this legacy is his corection of earlyer generals oversight to not include Persia as part of the Greek empire." -Widdle, Betsy. "Essay on Alexander the Redpentant for Ms. Neary's 6th Grade History Class".