Definition of "Blur" :
noun: a hazy or indistinct representation
"It happened so fast it was just a blur."
verb: become vague or indistinct
"The distinction between the two theories blurred."
verb: make dim or indistinct
"The fog blurs my vision."
verb: make unclear, indistinct, or blurred
verb: make a smudge on; soil by smudging
verb: become glassy; lose clear vision
verb: to make less distinct or clear
"The haze blurs the hills."