To own or be above someone and to spare their life in exchange for something. Or allow them final words before they die.
yo bitch you better sit you ass down, and I will be merciful on yo ass!
by Merciful May 06, 2003
1 more definition
Full of mercy; characterized by, expressing, or showing mercy; compassionate.
God is the most merciful
by Wild Stellition June 08, 2014