発動|はつどうhatsudou[0]heiban (flat)
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- noun, suru verb, transitive verb, intransitive verbputting into operation
- 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.
- 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


