掃討・掃蕩・掃盪・剿討|そうとうsoutou[0]heiban (flat)

Common
Which spelling to use
掃討掃討 is the most common spelling and the one beginners should use. It is written entirely in kanji.
掃蕩掃蕩 is a rarely used kanji-only variant of 掃討. Learners will seldom need to write it; use 掃討 instead.
掃盪掃盪 is a rarely used kanji-only variant of 掃討. Learners will seldom need to write it; use 掃討 instead.
剿討剿討 is a rarely used kanji-only variant of 掃討. Learners will seldom need to write it; use 掃討 instead.
Definitions
  1. noun, suru verb, transitive verbcleaning up (enemy remnants); sweeping clean (of opponents); mopping up
    よし!掃討そうとう完了かんりょう!↗
    Alright! They're all mopped up!
Conjugation
Dictionary form掃討する(そうとうする)
Polite (masu)掃討します(そうとうします)
Negative (nai)掃討しない(そうとうしない)
polite (masen)掃討しません(そうとうしません)
classical zu / nu掃討せず・掃討せぬ(そうとうせず・そうとうせぬ)
Past (ta)掃討した(そうとうした)
polite (mashita)掃討しました(そうとうしました)
Past negative (nakatta)掃討しなかった(そうとうしなかった)
polite (masen deshita)掃討しませんでした(そうとうしませんでした)
Te form掃討して(そうとうして)
Potential掃討できる(そうとうできる)
Passive掃討される(そうとうされる)
Causative掃討させる(そうとうさせる)
Causative passive掃討させられる(そうとうさせられる)
Conditional (ba)掃討すれば(そうとうすれば)
tara掃討したら(そうとうしたら)
Volitional掃討しよう(そうとうしよう)
polite (mashou)掃討しましょう(そうとうしましょう)
Imperative掃討しろ(そうとうしろ)

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

Synonyms & antonyms
  • Synonym退治たいじNeutralNeutral. Exterminating demons, pests and the like — 「鬼退治」「害虫退治」; common in everyday use, while 「掃討」 leans toward military mopping-up.
  • Synonym根絶こんぜつNeutralNeutral. Eliminating something at its root, as in 「病気の根絶」; the stress is on cutting it off completely.
  • Synonym掃滅そうめつWrittenWritten register. Close to 「掃討」, but the emphasis falls on annihilating utterly, leaving nothing behind.
  • Related覆滅ふくめつWrittenWritten register. Utterly overthrowing or destroying something; said chiefly of nations and regimes.
  • Antonym擁護ようごNeutralAntonym. Supporting or upholding a person or cause — the opposite of 「掃討」's sweeping away and clearing out.
  • Antonym保護ほごNeutralAntonym. Protecting or sheltering someone from harm; the opposite of 「掃討」's mopping-up.

To mop up enemy remnants or wrongdoers thoroughly, go with 「掃討」, as in 「掃討作戦」. For total annihilation use 「掃滅」 (written), for destroying pests and the like 「退治」, and for eradicating at the root 「根絶」; 「擁護」 and 「保護」 are the opposites.

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

Japanese definitions
  1. 敵てきや不用ふようなものなどを徹底的てっていてきに取り除とりのぞくこと。
Kanji in this word

Say it right, write it right

Core lookup works fully offline, with cloud pronunciation and one-tap save & review. Free, no sign-up.

Free downloadWindowsFree downloadmacOSDownload on the App StoreGet it on Google Play
MobileiOS / Android

Android

QR code for the Google Play pageGet it on Google Play

Scan it with your Android phone to install, or search for “Tomoshi” on Google Play.

iOS

QR code for the App Store pageDownload on the App Store

Scan it with your iPhone camera to install, or search for “Tomoshi” in the App Store.

Install the browser extensionLook words up on any web page · Chrome / Edge / Safari

Screenshot of a Tomoshi lookup resultScreenshot of Tomoshi lookup results on a phone

Windows macOS Chrome / Edge / Safari extension iOS / Android