Longman Dictionary of Contemporary English
Wiktionary
a. According to a person's own confession or admission
WordNet
adj. owned up to; "his admitted doubts"; "the conceded error"; "a confessed murderer"; "a self-confessed plagiarist" [syn: self-confessed(a)]
Usage examples of "self-confessed".
A group of men banded together and managed to recruit more men so that our self-confessed traitors might be freed from custody, the consuls murdered, and them installed as consuls instead!
But his immoderate taste for the high life (which he shared with General Howe) curled a question mark over his capacities, and even in a farewell and affectionate letter to his wife before he sailed for Boston in 1775, he felt obliged, as a self-confessed libertine, to couple his declarations of everlasting love with apologies for “the levities, the inattentions, and dissipations of my common course of life.