befog

1 to make (something) unclear to the understanding the professor's convoluted explanation only befogged the textbook's presentation of this scientific principle Synonyms becloud, confuse, blur, 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 the morning murk befogged our view of the harbor Synonyms becloud, bedim, cloud, blacken, blear, blur, 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

3 to throw into a state of mental uncertainty completely befogged by the sudden change of subject Synonyms addle, baffle, bamboozle, beat, confuse, befuddle, bemuse, bewilder, buffalo, confound, discombobulate, disorient, flummox, fox, fuddle, get, gravel, maze, muddle, muddy, mystify, perplex, pose, puzzle, vexRelated Words stick, stump, weird out; abash, discomfit, disconcert, discountenance, embarrass, faze, fluster, mortify, nonplus, rattle; agitate, bother, chagrin, discomfort, discompose, dismay, disquiet, distress, disturb, perturb, stun, unhinge, unsettle, upset; beguile, cozen, deceive, delude, dupe, fool, gull, hoax, hoodwink, humbug, misguide, mislead, snow, string along, take in, trickNear Antonyms assure, reassure, satisfy; enlighten, inform