S: (v) 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"
Adjective
S: (adj) blackened (darkened by smoke) "blackened rafters"
S: (adj) black, blackened ((of the face) made black especially as with suffused blood) "a face black with fury"