The Collaborative International Dictionary of English v.0.48:
Unfeigned \Un*feigned"\, a. Not feigned; not counterfeit; not hypocritical; real; sincere; genuine; as, unfeigned piety; unfeigned love to man. "Good faith unfeigned." --Chaucer. -- Un*feign"ed*ly, adv. -- Un*feign"ed*ness, n. [1913 Webster]