始動|しどうshidou[0]heiban (flat)
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- noun, suru verb, transitive verb, intransitive verbstarting (a machine, engine, etc.)
- noun, suru verb, transitive verb, intransitive verbstarting (a project, plan, etc.); beginning; initiation; going into action
Conjugation
| Dictionary form | 始動する(しどうする) |
|---|---|
| Polite (masu) | 始動します(しどうします) |
| Negative (nai) | 始動しない(しどうしない) |
| polite (masen) | 始動しません(しどうしません) |
| classical zu / nu | 始動せず・始動せぬ(しどうせず・しどうせぬ) |
| Past (ta) | 始動した(しどうした) |
| polite (mashita) | 始動しました(しどうしました) |
| Past negative (nakatta) | 始動しなかった(しどうしなかった) |
| polite (masen deshita) | 始動しませんでした(しどうしませんでした) |
| Te form | 始動して(しどうして) |
| Potential | 始動できる(しどうできる) |
| Passive | 始動される(しどうされる) |
| Causative | 始動させる(しどうさせる) |
| Causative passive | 始動させられる(しどうさせられる) |
| Conditional (ba) | 始動すれば(しどうすれば) |
| tara | 始動したら(しどうしたら) |
| Volitional | 始動しよう(しどうしよう) |
| polite (mashou) | 始動しましょう(しどうしましょう) |
| Imperative | 始動しろ(しどうしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym発動はつどうWrittenWritten/formal prose: putting something into effect, stressing the exercise of powers or measures, as in 「拒否権発動」.
- Synonym起動きどうNeutralNeutral. For computers, programs, engines or generators starting up; 「始動」 also covers plans and projects going into action.
- Synonym動き出すうごきだすNeutralNeutral verb: to start moving, stressing motion beginning after a standstill, as in 「列車が動き出す」.
- SynonymスタートNeutralNeutral loanword: the broadest term for starting out, but it stresses the starting point rather than machines running.
- Synonym開始かいしNeutralNeutral but formal in tone, and widely used: the general word for beginning, as in 「試合開始」「販売開始」.
- Synonym始めるはじめるNeutralNeutral: the most common everyday word for starting something, but it does not stress machines or plans starting to run.
- Synonym着手ちゃくしゅWrittenWritten/formal prose: to set to work, stressing a formal start of implementation.
- Synonym発足ほっそくWrittenWritten/formal prose: the launch or founding of an organization, as in 「新体制が発足」.
- Related乗り出すのりだすNeutralNeutral verb: to set out on a new venture, stressing active engagement, as in 「調査に乗り出す」.
- Related踏み出すふみだすNeutralNeutral verb: to take the first step, stressing a bold, courageous start.
- Related始業しぎょうWrittenWritten/formal prose: the start of the day's work or of the term's classes, e.g. 「始業式」.
- Related創始そうしWrittenWritten/formal prose: founding or originating, stressing the first-ever creation of something new such as institutions.
- Related仕掛けるしかけるNeutralNeutral verb: to start something and be partway through; also to set a device working or provoke a fight; 「始動」 is about starting to run.
- Related取り掛かるとりかかるNeutralNeutral verb: to get down to something, stressing the start of tackling work.
- Relatedし始めるしはじめるCasualColloquial: 「する」 plus 「始める」. For starting to do something; 「始動」 centers on machines or plans starting to run.
- Related仕掛かるしかかるNeutralNeutral verb: to set about something and be partway through; stresses that it has begun but is unfinished.
- RelatedしだすCasualColloquial. To start doing something, and also to make food and deliver it to customers; 「始動」 is about machines or plans starting to run.
- RelatedやりだすCasualColloquial: to start doing something, with a nuance of suddenly getting down to it.
- RelatedおっぱじめるCasualCoarse colloquial: to suddenly start doing something, as in 「喧嘩をおっ始める」; 「始動」 is the startup of machines or plans.
- Relatedやり始めるやりはじめるNeutralNeutral, leaning colloquial: to start doing something — human actions; 「始動」 centers on machines or plans starting to run.
- Antonym停止ていしNeutralNeutral antonym: stopping, the opposite of 「始動」 in its startup sense, as in 「エンジン停止」.
- Antonym終了しゅうりょうNeutralNeutral antonym: ending, the opposite of 「始動」 as the start of operation, as in 「作業終了」.
Use 「始動」 for machines or engines starting up and for plans or projects going into action, as in 「エンジンを始動する」「プロジェクト始動」. For computers and machines 「起動」 also works; 「発足」 is for organizations being launched; general beginnings take 「開始」 or 「始める」. Antonyms: 「停止」「終了」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


