—v.t. 1. to obscure or sully (something) by smearing or with a smeary substance: The windows were blurred with soot. 2. to obscure by making confused in form or outline; make indistinct: The fog blurred the outline of the car. 3. to dim the perception or susceptibility of; make dull or insensible: The blow on the head blurred his senses.
—v.i. 1. to become indistinct: Everything blurred as she ran. 2. to make blurs.
—n. 1. a smudge or smear that obscures: a blur of smoke. 2. a blurred condition; indistinctness: They could see nothing in the foggy blur. 3. something seen indistinctly: The ship appeared as a blur against the horizon.