尽くす|つくすtsukusu[2]nakadaka (mid-high)
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- godan verb, transitive verbto use up; to exhaust; to run out of
- godan verb, intransitive verbto devote oneself (to); to do one's utmost (for); to serve; to work (for a cause)
- suffix, godan verbto do to exhaustion; to do completely; to do fullyafter the -masu stem of a verb
Conjugation
| Dictionary form | 尽くす(つくす) |
|---|---|
| Polite (masu) | 尽くします(つくします) |
| Negative (nai) | 尽くさない(つくさない) |
| polite (masen) | 尽くしません(つくしません) |
| classical zu / nu | 尽くさず・尽くさぬ(つくさず・つくさぬ) |
| Past (ta) | 尽くした(つくした) |
| polite (mashita) | 尽くしました(つくしました) |
| Past negative (nakatta) | 尽くさなかった(つくさなかった) |
| polite (masen deshita) | 尽くしませんでした(つくしませんでした) |
| Te form | 尽くして(つくして) |
| Potential | 尽くせる(つくせる) |
| Passive | 尽くされる(つくされる) |
| Causative | 尽くさせる(つくさせる) |
| Causative passive | 尽くさせられる(つくさせられる) |
| Conditional (ba) | 尽くせば(つくせば) |
| tara | 尽くしたら(つくしたら) |
| Volitional | 尽くそう(つくそう) |
| polite (mashou) | 尽くしましょう(つくしましょう) |
| Imperative | 尽くせ(つくせ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
- Related捧げるささげるNeutralNeutral: to dedicate something or devote oneself, as in 「人生を捧げる」; 「尽くす」 stresses devoting heart and effort.
- Related投げ打つなげうつWrittenWritten/formal prose: to give up something precious — one's life or property — for something else, as in 「私財を擲つ」; 「尽くす」 stresses doing your utmost.
- Antonym怠るおこたるNeutralNeutral: the opposite of 「尽くす」 on effort versus slacking — to neglect or be negligent in what you should do.
Use 「尽くす」 for doing your utmost or serving someone with all your effort, as in 「全力を尽くす」; 「捧げる」 for dedicating something or devoting yourself; 「擲つ」 for giving up something precious for a cause. The antonym is 「怠る」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


