Fuzz
Part of speech: noun
Definition: A frizzy mass of hair or fibre. A blurred image. The random data used in fuzz testing. The police.
Part of speech: verb
Definition: Make or become fuzzy.
Blur
Part of speech: verb
Definition: To make indistinct or hazy, to obscure or dim.To smear, stain or smudge.To become indistinct.
Part of speech: noun
Definition: A smear, smudge or blotSomething that appears hazy or indistinct
Example sentence: The supreme accomplishment is to blur the line between work and play.