Entry 1 sense Webster, 1913 Unblemished /ən-blĕm'-ĭsht/ · Un·blem·ished · IPA /ənblˈɛmɪʃt/ 01 a. Not blemished; pure; spotless; as, an unblemished reputation or life. 1. Not blemished; pure; spotless; as, an unblemished reputation or life.