cloud

1 to make dark, dim, or indistinct the diner's dark interior, clouded with smoke and grease Synonyms becloud, bedim, befog, blacken, blear, blur, darken, dim, dislimn, fog, fuzz (up), haze, mist, obscure, overcast, overcloud, overshadow, shadow, shroud Related Words adumbrate, blot out, conceal, eclipse, hide, obliterate, screen, shade; camouflage, cloak, cover, curtain, disguise, mask, veil Near Antonyms expose, reveal, uncover, unveil Antonyms brighten, illuminate, illumine, light (up), lighten

2 to make (something) unclear to the understanding cloud the issue with obscure statistics Synonyms becloud, befog, blur, confuse, 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