〜のみならず nomi narazu
〜のみならず（nomi narazu）means “not only ... (but also ...)”. A formal, written equivalent of 〜だけでなく ('not only . Formation: 普通形 + のみならず（Nは「だ」抜きで N＋のみならず）
not only ... (but also ...)
N2Formation
普通形 + のみならず（Nは「だ」抜きで N＋のみならず）
Explanation
A formal, written equivalent of 〜だけでなく ('not only ... but also'). It adds a further, often larger or more important, element to what precedes it, frequently paired with も or さえ in the second clause. Common in essays and formal writing.
Examples
Note
Formal counterpart of 〜だけでなく and close to 〜ばかりでなく. With nouns, attach directly without だ (英語のみならず, not 英語だのみならず).
FAQ
〜のみならず — what does it mean and how is it used?
not only ... (but also ...). A formal, written equivalent of 〜だけでなく ('not only ... but also'). It adds a further, often larger or more important, element to what precedes it, frequently paired with も or さえ in the second clause. Common in essays and formal writing.
〜のみならず — how do you form it?
普通形 + のみならず（Nは「だ」抜きで N＋のみならず）
〜のみならず — any usage notes?
Formal counterpart of 〜だけでなく and close to 〜ばかりでなく. With nouns, attach directly without だ (英語のみならず, not 英語だのみならず).