発動|はつどうhatsudou[0]heiban (flat)

Common
Definitions
  1. noun, suru verb, transitive verb, intransitive verbputting into operation
    春しゅん機きが発動はつどうして、ソレをナニしたい盛もりなのは理解りかいするけど、・・・まあ、そこにお座すわりなさい。↗
    I know you're at an age where sexual desire flourishes and you want to do 'you-know-what' with 'that' but... well, sit down there.
  2. noun, suru verb, transitive verb, intransitive verb, lawinvocation
Conjugation
Dictionary form発動する(はつどうする)
Polite (masu)発動します(はつどうします)
Negative (nai)発動しない(はつどうしない)
polite (masen)発動しません(はつどうしません)
classical zu / nu発動せず・発動せぬ(はつどうせず・はつどうせぬ)
Past (ta)発動した(はつどうした)
polite (mashita)発動しました(はつどうしました)
Past negative (nakatta)発動しなかった(はつどうしなかった)
polite (masen deshita)発動しませんでした(はつどうしませんでした)
Te form発動して(はつどうして)
Potential発動できる(はつどうできる)
Passive発動される(はつどうされる)
Causative発動させる(はつどうさせる)
Causative passive発動させられる(はつどうさせられる)
Conditional (ba)発動すれば(はつどうすれば)
tara発動したら(はつどうしたら)
Volitional発動しよう(はつどうしよう)
polite (mashou)発動しましょう(はつどうしましょう)
Imperative発動しろ(はつどうしろ)

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

Synonyms & antonyms
  • SynonymスタートNeutralA loanword for starting or setting off, common in speech. It does not carry the nuance of exercising power that 「発動」 has.
  • Synonym始動しどうWrittenA written, formal noun for a machine starting up or a project getting underway; it focuses on something beginning to run, not on exercising authority.
  • Related開始かいしNeutralA neutral, everyday noun for the start of activities or meetings; broad in range. 「発動」 is about exercising authority or putting a law or measure into effect.
  • Related起動きどうNeutralA technical term for starting up machines or computer systems, as in 「アプリを起動」; 「発動」 centres on exercising authority or putting measures into effect.
  • Related始めるはじめるNeutralA verb meaning to begin doing something; the most common everyday choice with the widest range, while 「発動」 is narrower, typically for invoking powers or measures.
  • Antonym停止ていしWrittenA written, formal noun for stopping or pausing something in motion; the direct opposite of 「発動」.
  • Antonym中止ちゅうしNeutralA neutral noun for stopping something midway or calling off a planned event, as in 「試合が中止になる」; opposite of 「発動」, which means putting something into effect.

Use 「発動」 for exercising authority or activating measures, as in 「強権発動」 or 「緊急措置の発動」. For general starts pick 「開始」 or 「始める」; for computers and machines 「起動」; for a project getting underway 「始動」. To stop or call off, use 「停止」 or 「中止」.

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

Japanese definitions
  1. 事件じけんなどを処理しょりするために法的ほうてき権限けんげんを行使こうしすること。
  2. 動力どうりょくを起おこすこと。
  3. 動うごきはじめること。活動かつどうが起おきること。
Kanji in this word
See also

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