Antonyms of verb blacken

1 of 2 senses of blacken

Sense 1
blacken, melanize, melanise, nigrify, black -- (make or become black; "The smoke blackened the ceiling"; "The ceiling blackened")
       Antonym of whiten (Sense 1)
      => whiten, white -- (turn white; "This detergent will whiten your laundry")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb blacken

2 senses of blacken

Sense 1
blacken, melanize, melanise, nigrify, black -- (make or become black; "The smoke blackened the ceiling"; "The ceiling blackened")
       => discolor, discolour, colour, color -- (change color, often in an undesired manner; "The shirts discolored")

Sense 2
char, blacken, sear, scorch -- (burn slightly and superficially so as to affect color; "The cook blackened the chicken breast"; "The fire charred the ceiling above the mantelpiece"; "the flames scorched the ceiling")
       => burn -- (burn with heat, fire, or radiation; "The iron burnt a hole in my dress")

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