noun
opposite shore; other side of the water
Refers to the shore or bank directly across a body of water such as a river, lake, or sea. Often used in contrast to 此岸 (this shore).
川の対岸に小さな村が見える。
A small village can be seen on the opposite shore of the river.
対岸の火事とばかりに、彼
He talked about it as if it were someone else's problem, like a fire on the opposite shore.