The Collaborative International Dictionary of English v.0.48:
Unblemished \Un*blem"ished\, a. Not blemished; pure; spotless; as, an unblemished reputation or life. --Addison. [1913 Webster]WordNet (r) 3.0 (2006):
unblemished adj 1: free from physical or moral spots or stains; "an unblemished record"; "an unblemished complexion" [syn: unblemished, unmarred, unmutilated] [ant: blemished]