to obscure or sully (something) by smearing or with a smeary substance

The windows were blurred with soot.

to obscure by making confused in form or outline; make indistinct

The fog blurred the outline of the car.

to dim the perception or susceptibility of; make dull or insensible

The blow on the head blurred his senses.

to become indistinct

Everything blurred as she ran.

to make blurs.

a smudge or smear that obscures

a blur of smoke.

a blurred condition; indistinctness

They could see nothing in the foggy blur.

something seen indistinctly

The ship appeared as a blur against the horizon.

verb

clear , uncloud , unsmudge , clarify , clean , cleanse , purify

verb

becloud , bedim , befog , blear , blind , darken , daze , dazzle , dim , glare , make hazy , make indistinct , make vague , mask , muddy , obscure , shade , soften , besmear , blemish , blot , discolor , smear , smudge , spot , stain , taint , tarnish , cloud , dull , eclipse , fog , gloom , mist , obfuscate , overcast , overshadow , shadow , blob , confuse , disfigure , mackle , macule , soil , stigmatize , sully