BRIGHTEN Antonyms

• any collection of particles (e.g., smoke or dust) or gases that is visible

• a visible mass of water or ice particles suspended at a considerable altitude

• out of touch with reality

• a cause of worry or gloom or trouble

• suspicion affecting your reputation

• a group of many things in the air or on the ground

• make overcast or cloudy

• make less visible or unclear

• billow up in the form of a cloud

• make gloomy or depressed

• place under suspicion or cast doubt upon

• make less clear

• colour with streaks or blotches of different shades

• make milky or dull

• decrease in size, extent, or range

• lessen the authority, dignity, or reputation of

• lacking in liveliness or animation

• emitting or reflecting very little light

• not keenly felt

• not having a sharp edge or point

• being or made softer or less loud or clear

• so lacking in interest as to cause mental weariness

• (of color) very low in saturation; highly diluted

• slow to learn or understand; lacking intellectual acuity

• (of business) not active or brisk

• blunted in responsiveness or sensibility

• not clear and resonant; sounding as if striking with or against something relatively soft

• darkened with overcast

• make dull in appearance

• become dull or lusterless in appearance; lose shine or brightness

• deaden (a sound or noise), especially by wrapping

• make numb or insensitive

• make dull or blunt

• become less interesting or attractive

• make less lively or vigorous

• a golf shot that curves to the right for a right-handed golfer

• gradually ceasing to be visible

• become less clearly visible or distinguishable; disappear gradually or seemingly

• lose freshness, vigor, or vitality

• disappear gradually

• become feeble

• not clearly expressed or understood

• marked by difficulty of style or expression

• difficult to find

• not famous or acclaimed

• not drawing attention

• remote and separate physically or socially

• make less visible or unclear

• make unclear, indistinct, or blurred

• make unintelligible or unclear

• reduce a vowel to a neutral one, such as a schwa

• make undecipherable or imperceptible by obscuring or concealing

• shade within clear boundaries

• an unilluminated area

• something existing in perception only

• a premonition of something adverse

• an indication that something has been present

• refuge from danger or observation

• a dominating and pervasive presence

• a spy employed to follow someone and report their movements

• an inseparable companion

• follow, usually without the person's knowledge

• cast a shadow over

• make appear small by comparison

• discoloration of metal surface caused by oxidation

• make dirty or spotty, as by exposure to air; also used metaphorically