掘削・掘鑿|くっさくkussaku[0]heiban (flat)

Common
Which spelling to use
掘削掘削 is the most common and standard written form; beginners should use it for general writing about digging out or excavation.
掘鑿掘鑿 is a kanji-only variant that is rarely used; learners will seldom encounter it and should normally choose 掘削 instead.
Definitions
  1. noun, suru verb, transitive verbdigging out; excavation
Conjugation
Dictionary form掘削する(くっさくする)
Polite (masu)掘削します(くっさくします)
Negative (nai)掘削しない(くっさくしない)
polite (masen)掘削しません(くっさくしません)
classical zu / nu掘削せず・掘削せぬ(くっさくせず・くっさくせぬ)
Past (ta)掘削した(くっさくした)
polite (mashita)掘削しました(くっさくしました)
Past negative (nakatta)掘削しなかった(くっさくしなかった)
polite (masen deshita)掘削しませんでした(くっさくしませんでした)
Te form掘削して(くっさくして)
Potential掘削できる(くっさくできる)
Passive掘削される(くっさくされる)
Causative掘削させる(くっさくさせる)
Causative passive掘削させられる(くっさくさせられる)
Conditional (ba)掘削すれば(くっさくすれば)
tara掘削したら(くっさくしたら)
Volitional掘削しよう(くっさくしよう)
polite (mashou)掘削しましょう(くっさくしましょう)
Imperative掘削しろ(くっさくしろ)

Common forms generated by rule; see the senses for honorific or irregular usage.

Synonyms & antonyms
  • Synonym穴掘りあなほりCasualA plain, colloquial word for digging holes or pits; 「掘削」 is a civil-engineering term for excavating rock and strata.
  • Related採掘さいくつNeutralFor extracting minerals, as in 「石炭を採掘する」; 「掘削」 is for civil-engineering work such as digging foundations and tunnels.
  • Related発掘はっくつNeutralFor unearthing ruins or artifacts, and figuratively for discovering talent; 「掘削」 carries no sense of discovery.
  • Antonym埋め戻しうめもどしNeutralAn engineering term for refilling an excavated hole with soil — the opposite of 「掘削」.

Use 「掘削」 for civil-engineering excavation of ground or tunnels. For mining minerals say 「採掘」, for unearthing artifacts 「発掘」, and for digging holes in everyday speech 「穴掘り」; backfilling is 「埋め戻し」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese definitions
  1. 岩石がんせきや地盤じばんなどを掘ほり、穴あなを開あけること。
Kanji in this word
English equivalents
See also

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