ゼロサイ
Meanings
Noun
1. under 1 year old (of a baby); (lit.) 0 years old
Pitch accent
サイ
Composed of
zero; 0; nought; nothing; zilch
-years-old
Used in vocabulary (1 in total)
child under a year old
Examples (1 in total)
Ah, I want to go back to being zero years old.