The Collaborative International Dictionary of English v.0.48:

Blemish \Blem"ish\, n.; pl. Blemishes.
   Any mark of deformity or injury, whether physical or moral;
   anything that diminishes beauty, or renders imperfect that
   which is otherwise well formed; that which impairs
   reputation.
   [1913 Webster]

         He shall take two he lambs without blemish, and one ewe
         lamb of the first year without blemish.  --Lev. xiv.
                                                  10.
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         The reliefs of an envious man are those little
         blemishes and imperfections that discover themselves in
         an illustrious character.                --Spectator.
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   Syn: Spot; speck; flaw; deformity; stain; defect; fault;
        taint; reproach; dishonor; imputation; disgrace.
        [1913 Webster]