Dictionary/地下水ちかすいChikasuiJLPT N2地下水 (Chikasui) is a Japanese noun meaning “groundwater, underground water”.Meaningsnoungroundwater; underground waterKanji in 地下水地ground下below水waterRelated words下さいplease (give me)地earth土earth下below下under (guidance, supervision, rules, the law, etc.)水water (esp. cool or cold)下さるto give下がるto come down農地agricultural land部下subordinate person下手humble position下手unskillful