1. To make indistinct and hazy in outline or appearance; obscure. 2. To smear or stain; smudge. 3. To lessen the perception of; dim: “For street children . . . drugs offer the chance to blur their hopeless poverty” (Alma Guillermoprieto).
INTRANSITIVE VERB:
1. To become indistinct. 2. To make smudges or stains by smearing.
NOUN:
1. A smear or blot; a smudge. 2. Something that is hazy and indistinct to the sight or mind.
blûr
ri·ness —NOUN
