Explanation
Used to dismiss or negate something’s importance; 'it’s nothing at all', 'it doesn’t matter'.
Formation
Verb-dictionary form + もなんでもない, い-Adjective + もなんでもない, な-Adjective + なもなんでもない, Noun + もなんでもない
Detailed explanation
The ～もなんでもない pattern is used to deny or downplay the significance of something. It can mean 'it doesn’t matter at all' or 'it’s no big deal.'
Examples
100万円を負けるもなんでもない。
Hyaku man-en o makeru mo nandemonai.
Losing a million yen is no big deal at all.
彼が社長だもなんでもない。
Kare ga shachou da mo nandemonai.
It doesn't matter one bit that he's the president.
あなたが来ないもなんでもない。
Anata ga konai mo nandemonai.
It doesn't matter at all if you don't come.
それが美しいもなんでもない。
Sore ga utsukushii mo nandemonai.
It doesn't matter at all whether it's beautiful.
Practice
Grammar content sourced from hanabira.org.