blur

1 to make (something) unclear to the understanding an article for the layman that blurs the distinction between the two kinds of cholesterol Synonyms becloud, befog, confuse, cloud, fog, muddy, obfuscateRelated Words complicate, perplex, sophisticate; entangle, snarl, tangle; disarrange, disarray, discompose, dishevel, disorder, disrupt, disturb, jumble, mess (up), mix (up), muddle, scramble, shuffle, tousle, upsetNear Antonyms simplify, streamline; disentangle, straighten (out), undo, unravel, unscramble, untangle; decipher, decode; analyze, break downAntonyms clarify, clear (up), illuminate

2 to make dark, dim, or indistinct evening shadows blurred the view of the valley from the overlook Synonyms becloud, bedim, befog, blacken, blear, cloud, darken, dim, dislimn, fog, fuzz (up), haze, mist, obscure, overcast, overcloud, overshadow, shadow, shroudRelated Words adumbrate, blot out, conceal, eclipse, hide, obliterate, screen, shade; camouflage, cloak, cover, curtain, disguise, mask, veilNear Antonyms expose, reveal, uncover, unveilAntonyms brighten, illuminate, illumine, light (up), lighten