pen·i·tent / ˈpenitnt/ • adj. feeling or showing sorrow and regret for having done wrong; repentant: a penitent expression. • n. a person who repents their sins or wrongdoings and (in the Christian Church) seeks forgiveness from God. ∎ (in the Roman Catholic Church) a person who confesses their sins to a priest and submits to the penance that he imposes. DERIVATIVES: pen·i·tence n. pen·i·tent·ly adv.
Penitential Psalms seven psalms (6, 32, 38, 51, 102, 130, 143) which express penitence.