掘り下げる ほりさげる to dig down #29,140 Meanings ichidan verb, transitive to dig down to dig into (a matter); to delve into; to probe into; to investigate; to get to the bottom of Its kanji 掘 クツ · ほ.る dig, delve, excavate 下 カ、ゲ · した、しも、もと、さ.げる、さ.がる、くだ.る、くだ.り、くだ.す、-くだ.す、くだ.さる、お.ろす、お.りる below, down, descend, give, low, inferior