\Blur\, v. t. [imp. & p. p. {Blurred}; p. pr. & vb. n.
{Blurring}.] [Prob. of same origin as blear. See {Blear}.]
1. To render obscure by making the form or outline of
   confused and uncertain, as by soiling; to smear; to make
   indistinct and confused; as, to blur manuscript by
   handling it while damp; to blur the impression of a
   woodcut by an excess of ink.
         But time hath nothing blurred those lines of favor
         Which then he wore.                   --Shak.
2. To cause imperfection of vision in; to dim; to darken.
         Her eyes are blurred with the lightning's glare.
                                               --J. R. Drake.
3. To sully; to stain; to blemish, as reputation.
         Sarcasms may eclipse thine own, But can not blur my
         lost renown.                          --Hudibras.
Syn: To spot; blot; disfigure; stain; sully.

\Blur\ (bl[^u]r), n.
1. That which obscures without effacing; a stain; a blot, as
   upon paper or other substance.
         As for those who cleanse blurs with blotted fingers,
         they make it worse.                   --Fuller.
2. A dim, confused appearance; indistinctness of vision; as,
   to see things with a blur; it was all blur.
3. A moral stain or blot.
         Lest she . . . will with her railing set a great
         blur on mine honesty and good name.   --Udall.