ichidan verb, transitive verb
blacken; make black
Literal sense: to make something black in color, often by applying a substance or through burning.
彼は靴墨で革靴を黒めた。
He blackened his leather shoes with shoe polish.
煙が天井を黒めてしまった。
The smoke blackened the ceiling.
ichidan verb, transitive verb
talk wrong into right; twist the truth
Figurative and rare: to make something wrong seem right through clever or deceptive talk. Often used in the phrase 嘘を黒める.
彼は嘘を黒めるのが上手い。
He is good at twisting lies into truth.