Japanese

Noun

二十歳 ‎(hiragana はたち, romaji hatachi)

1. twenty years old

Usage notes

Twenty is the age of majority in Japan.

Etymology 2

From Sino-Japanese 二十 nijū (twenty) and 歳 sai (years old).

Noun

二十歳 ‎(hiragana にじゅっさい, romaji nijussai)

1. twenty years old

Usage notes

Jōyō kanji recognized only じゅう and じっ as readings of 十 until 2010, even though the latter is actually pronounced じゅっ today and NHK accepted it already in 1966.

See also

• 未成年
• 小人
• 大人
• 成人
• 成人式
• 成人の日