a. [ AAS. synfull. ] Tainted with, or full of, sin; wicked; iniquitous; criminal; unholy; as, sinful men; sinful thoughts. Piers Plowman. [ 1913 Webster ]
Ah sinful nation, a people laden with iniquity. Isa. i. 4. [ 1913 Webster ]
-- Sin"ful*ly, adv. -- Sin"ful*ness, n. [ 1913 Webster ]