いたす・致すitasu[2]nakadaka (mid-high)
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- godan verb, transitive verbto do
Conjugation
| Dictionary form | いたす |
|---|---|
| Polite (masu) | いたします |
| Negative (nai) | いたさない |
| polite (masen) | いたしません |
| classical zu / nu | いたさず・いたさぬ |
| Past (ta) | いたした |
| polite (mashita) | いたしました |
| Past negative (nakatta) | いたさなかった |
| polite (masen deshita) | いたしませんでした |
| Te form | いたして |
| Potential | いたせる |
| Passive | いたされる |
| Causative | いたさせる |
| Causative passive | いたさせられる |
| Conditional (ba) | いたせば |
| tara | いたしたら |
| Volitional | いたそう |
| polite (mashou) | いたしましょう |
| Imperative | いたせ |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym行うおこなうNeutralNeutral word for carrying out or performing something, with no humble overtone; 「致す」 is the humble equivalent of 「する」, used for one's own side.
- SynonymなすWrittenWritten, archaic-flavoured word for doing or bringing something about, as in 「為す術もない」.
- SynonymやるNeutralColloquial word for doing something, more casual than 「する」; carries no humble nuance.
- Synonym行ずるぎょうずるWrittenWritten word for practising or carrying things out, mostly in Buddhist usage and rare in everyday speech; 「致す」 is an everyday humble form.
- Related実施じっしWrittenWritten word for putting plans into effect, common in official documents and reports, as in 「調査を実施する」.
- Related実行じっこうWrittenWritten word for putting ideas into action, as in 「計画を実行する」.
- Related遂行すいこうWrittenWritten word for carrying a task through, as in 「任務を遂行する」; the emphasis is on fulfilling a duty.
- RelatedなすWrittenWritten word for forming, constituting or achieving something, as in 「群れを成す」 and 「財を成す」.
- Related果たすはたすNeutralNeutral word for fulfilling a duty or promise, as in 「責任を果たす」.
- RelatedやらかすCasualSlangy colloquial word for messing up or doing something foolish, as in 「またやらかした」.
- Related執行しっこうFormalFormal term for executing laws, court judgments, budgets or official duties, as in 「職務を執行する」; no humble nuance.
- Related生むうむNeutralNeutral word for producing or giving rise to something, as in 「利益を生む」; the emphasis is on creating.
- Related成し遂げるなしとげるWrittenWritten word for carrying a big undertaking through to success; the focus is on the completed result, and it has no humble nuance.
- Related招くまねくNeutralNeutral word for drawing or inviting a certain result, as in 「誤解を招く」; the emphasis is on attracting something.
- Related生ずるしょうずるWrittenWritten word for something arising or being produced, as in 「問題が生ずる」.
- Related執り行うとりおこなうFormalFormal word for solemnly holding a ceremony, as in 「葬儀を執り行う」.
- RelatedしでかすCasualColloquial word for doing something out of the ordinary, usually a blunder, as in 「大失敗を仕出かす」; no humble nuance.
- RelatedきたすWrittenWritten word for bringing about a result or state, often with negative outcomes as in 「支障を来す」 and 「混乱を来す」, though not limited to them.
- Related出来すでかすCasualOld-fashioned colloquial word for doing something; often heard as 「でかした」, praising someone for a job well done.
- Related演るやるCasualWhen written 「演る」, refers specifically to performing or acting; colloquial.
Use 「致す」 when humbly saying that you or your side do something. For a neutral 'do', use 「行う」 or 「する」; for putting plans into effect, 「実施」; for fulfilling duties or promises, 「果たす」 or 「遂行」; for solemnly holding a ceremony, 「執り行う」; for causing a result, 「招く」 or 「来す」. The rest are narrower written, formal or colloquial terms, such as 「為す」, 「成す」, 「生ずる」, 「執行」 and 「やらかす」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


