also: ゆいつ · ゆういつ
He is my only friend.
この問題を解く唯一の方法はこれだ。
This is the only way to solve this problem.
唯一、彼だけがその秘密を知っていた。
Only he knew the secret.
This is the only way to solve the problem.
He is my only friend.
He is the only one who knows the secret.
one and only; unique
monotheism
Irregular kana reading; considered non-standard.