"blackened" in the verb sense
1. blacken, melanize, melanise, black
make or become black
"The smoke blackened the ceiling"
"The ceiling blackened"
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"
"blackened" in the adjective sense
1. blackened
darkened by smoke
"blackened rafters"
2. black, blackened
of the face) made black especially as with suffused blood
"a face black with fury"
Source: WordNet® (An amazing lexical database of English)
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