手術|しゅじゅつshujutsu[1]atamadaka (head-high)
This browser can't play pronunciations (needs Safari 18.4 or later, or Chrome / Edge / Firefox).
- noun, suru verb, transitive verbsurgery; operation; procedure手術をしなければなりません。↗You have to have an operation.
- nounskill with one's hands; sleight of hand
Conjugation
| Dictionary form | 手術する(しゅじゅつする) |
|---|---|
| Polite (masu) | 手術します(しゅじゅつします) |
| Negative (nai) | 手術しない(しゅじゅつしない) |
| polite (masen) | 手術しません(しゅじゅつしません) |
| classical zu / nu | 手術せず・手術せぬ(しゅじゅつせず・しゅじゅつせぬ) |
| Past (ta) | 手術した(しゅじゅつした) |
| polite (mashita) | 手術しました(しゅじゅつしました) |
| Past negative (nakatta) | 手術しなかった(しゅじゅつしなかった) |
| polite (masen deshita) | 手術しませんでした(しゅじゅつしませんでした) |
| Te form | 手術して(しゅじゅつして) |
| Potential | 手術できる(しゅじゅつできる) |
| Passive | 手術される(しゅじゅつされる) |
| Causative | 手術させる(しゅじゅつさせる) |
| Causative passive | 手術させられる(しゅじゅつさせられる) |
| Conditional (ba) | 手術すれば(しゅじゅつすれば) |
| tara | 手術したら(しゅじゅつしたら) |
| Volitional | 手術しよう(しゅじゅつしよう) |
| polite (mashou) | 手術しましょう(しゅじゅつしましょう) |
| Imperative | 手術しろ(しゅじゅつしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- SynonymオペCasualColloquial medical jargon, shortened from 'operation'; means surgery and is also heard in everyday speech. Use 「手術」 in formal contexts.
- SynonymオペレーションNeutralNeutral loanword that usually means a military operation or the running of a machine; medical staff also use it for surgery, but say 「手術」 in daily life.
- Synonym外科手術げかしゅじゅつNeutralNeutral term for a surgical operation; synonymous with 「手術」 but more specific, and 「手術」 is the usual choice in everyday speech.
- Related執刀しっとうWrittenWritten/formal term for operating as the lead surgeon, as in 「教授が執刀する」; the emphasis is on the doctor wielding the scalpel, not the procedure itself.
Default to 「手術」 for surgery in any context. Use 「執刀」 in written/formal prose for the lead surgeon operating, 「外科手術」 when stressing surgery specifically, and 「オペ」 as medical jargon or casual talk; 「オペレーション」 mainly covers military or machine operations.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


