v. & n.
v. (blurred, blurring) 1 tr. & intr. make or become unclear or less distinct. 2 tr. smear; partially efface. 3 tr. make (one's memory, perception, etc.) dim or less clear.
n. something that appears or sounds indistinct or unclear. blurry adj. (blurrier, blurriest).
[ 16th c.: perh. rel. to BLEAR ]