expression, i-adjective
second to none; in a league of one's own
Idiomatic expression meaning someone or something is the best, with no equal. Often used in the pattern ~で右に出るものはない (in ~, there is no one to the right).
See also: 右に出る者はいない
彼は数学では右に出るものはない。
He is second to none in mathematics.
この分野で彼女の右に出るものはいない。
In this field, she is in a league of her own.