のみならず

not only... but also

preposition Rare #35,714
not only... but also Formal expression, usually followed by も or another phrase introducing an additional item.
JA: 彼は英語のみならず、フランス語も話せます。
EN: He can speak not only English but also French.

時は虚偽のみならず真実明らかにする

Time reveals not only falsehoods but also the truth.

彼女のみならず彼女の息子幸せだった

Not only she but also her sons were happy.

彼は英語のみならずフランス語も話すことができる

He can speak not only English but also French.

社員のみならず考え方多様性です

It’s not just diversity among employees, but diversity of thought as well.

— ブゴニア (2025)

彼は日本のみならず世界において有名な物理学者である

He is a famous physicist not only in Japan but throughout the world as well.