1. (superl.) Not bright or distinct; wanting luminousness or clearness; obscure in luster or sound; dusky; darkish; obscure; indistinct; overcast; tarnished.

2. (superl.) Dull of apprehension; of weak perception; obtuse.

3. (v. t.) To render dim, obscure, or dark; to make less bright or distinct; to take away the luster of; to darken; to dull; to obscure; to eclipse.

4. (v. t.) To deprive of distinct vision; to hinder from seeing clearly, either by dazzling or clouding the eyes; to darken the senses or understanding of.

5. (v. i.) To grow dim.

achromatic achromatize achromic amorphous anemic ashen ashy banausic bandage barely audible becloud bedarken bedazzle bedim befog begloom benight black black out blacken blah blanch bleach blear blear-eyed bleared bleary bleary-eyed bled white blind blind the eyes blindfold block the light bloodless blot out blunt blunt-witted blur blurred blurry brown cadaverous caliginous cast a shadow chloranemic clear as mud cloud cloud over cloudy colorless confused dark dark-colored darken darken over darkish darkle darksome daze dazzle dead deadly pale deathly pale decolor decolorize decrescendo defocus deprive of sight dim out dim-eyed dim-sighted dim-witted dimmed dimmish dimpsy dingy discolor discolored distant dopey drain drain of color dreary dull dull of mind dull-headed dull-pated dull-sighted dull-witted dusk dusky eclipse encloud encompass with shadow etiolate etiolated excecate exsanguinated exsanguine exsanguineous fade faded faint faint-voiced fallow fat-witted feeble feeble-eyed film filmy filmy-eyed flat fog foggy fume fuzzy gentle ghastly glare gloam gloom gloomy gouge gravel-blind gray gross-headed grow dark grow dim haggard half-blind half-heard half-seen half-visible haze hazy heavy hebetudinous hoodwink hueless humdrum hypochromic ill-defined inconspicuous indefinite indeterminate indistinct indistinguishable lackluster leaden livid lose resolution low low-profile lower lurid lusterless make blind mat mealy merely glimpsed mist misty mole-eyed monotone monotonous muddy murk murksome murky murmured muted nebulous neutral obfuscate obnubilate obscure obtuse obumbrate occult occultate opaque out of focus overcast overcloud overshadow pale pale as death pale-faced pallid pasty pedestrian peroxide pianissimo piano poky purblind sallow sand-blind scarcely heard semidark semivisible shade shadow shadowy shapeless sickly slow slow-witted sluggish snow-blind soft soft-sounding soft-voiced soften somber stodgy strike blind subaudible subdued subfusc tallow-faced tarnish tenebrous thick-brained thick-headed thick-pated thick-witted thickskulled tone down toneless transcendent uncertain unclear uncolored undefined undetermined unilluminated unplain unrecognizable vague wan wash out washed-out waxen weak weak-eyed weak-voiced whey-faced whispered white whiten wooden