What does 地下 mean?
地下 is a Japanese noun meaning “basement, underground” in English. It can also be translated as “world of the dead, underground (activities, movement, etc.)” depending on context. It is written as 地下 in kanji, ちか in hiragana, and chika in romaji. This word is part of JLPT N3 vocabulary.
Example sentences
そして汚水を流すために地下に下水道を持っていた。
The house has pipes under the ground to carry dirty water away.
彼は地下活動の疑いをかけられた。
He was suspected of underground action.