n. 1 indistinctness, dimness, haziness, cloudiness, fogginess We were unable to pick out the star from the blur of the Galaxy 2 fog, haze, Brit fuzz Without my spectacles, everything is a blur
v. 3 dim, befog, obscure, bedim; efface My vision was momentarily blurred, and I didn't see the oncoming car 4 obscure, hide, conceal, veil, mask; weaken The Honourable Gentleman has blurred the distinction between the unemployed and the unemployable