果たす・果す|はたすhatasu[2]nakadaka (mid-high)
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Which spelling to use
果たす果たす（はたす） is the most common and standard written form, and it is the recommended choice for beginners.
果す果す（はたす） is a less common written variant of 果たす（はたす）; you may encounter it, but beginners should normally choose 果たす（はたす）.
Definitions
- godan verb, transitive verbto accomplish; to achieve; to carry out; to fulfill; to fulfil; to realize; to execute; to perform; to do
- godan verb, auxiliary verbto do ... completely; to do ... entirelyafter the -masu stem of a verb
Conjugation
| Dictionary form | 果たす（はたす） |
|---|---|
| Polite (masu) | 果たします（はたします） |
| Negative (nai) | 果たさない（はたさない） |
| polite (masen) | 果たしません（はたしません） |
| classical zu / nu | 果たさず・果たさぬ（はたさず・はたさぬ） |
| Past (ta) | 果たした（はたした） |
| polite (mashita) | 果たしました（はたしました） |
| Past negative (nakatta) | 果たさなかった（はたさなかった） |
| polite (masen deshita) | 果たしませんでした（はたしませんでした） |
| Te form | 果たして（はたして） |
| Potential | 果たせる（はたせる） |
| Passive | 果たされる（はたされる） |
| Causative | 果たさせる（はたさせる） |
| Causative passive | 果たさせられる（はたさせられる） |
| Conditional (ba) | 果たせば（はたせば） |
| tara | 果たしたら（はたしたら） |
| Volitional | 果たそう（はたそう） |
| polite (mashou) | 果たしましょう（はたしましょう） |
| Imperative | 果たせ（はたせ） |
Common forms generated by rule; see the senses for honorific or irregular usage.
Transitive / intransitive pair
命が果てる
使命を果たす
果てる marks a natural or inevitable end, as with a lifespan, while 果たす focuses on actively fulfilling a duty or purpose.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Synonyms & antonyms
- Synonym成し遂げるなしとげるNeutralCarries work or duties through to the end, and often means achieving something great; 「果たす」focuses on fulfilling a duty or realizing an aim.
- Synonym達成たっせいNeutralUsually 「達成する」, for reaching goals or records, as in 「目標を達成する」; 「果たす」typically pairs with duties, promises, and roles.
- Synonym遂行すいこうWrittenUsually 「遂行する」, carrying something out to the end, as in 「任務を遂行する」; written/formal, and 「果たす」is more common.
- Synonym全うするまっとうするWrittenFulfills a mission or duty to the end, and can also mean living out one's natural lifespan, as in 「天寿を全うする」; 「果たす」is not used for lifespan.
- Synonym遂げるとげるNeutralRealizes a long-cherished wish or aim, as in 「念願を遂げる」, and can also mean ending with a certain result; 「果たす」stresses fulfillment.
- SynonymなすWrittenWritten/formal: to form, build up, or achieve, as in 「財を成す」; 「果たす」focuses on fulfilling duties and realizing aims.
- SynonymなすWrittenWritten/formal word for doing or carrying out broadly, as in 「為す術もない」; 「果たす」centers on completing obligations and tasks.
- Synonym完遂かんすいWrittenUsually 「完遂する」, completing a task fully; written/formal, while 「果たす」is more common and also takes roles and promises.
- Synonym終えるおえるNeutralBrings something to an end, stressing termination; 「果たす」focuses on fulfilling responsibility and realizing a purpose.
- Synonym履行りこうWrittenUsually 「履行する」, for fulfilling contracts and obligations; leans legal, while 「果たす」has broader use.
- Synonymやり遂げるやりとげるNeutralStresses the process of seeing something through to the end and is common in speech; 「果たす」centers on fulfilling a duty or reaching a goal.
- Synonymし遂げるしとげるNeutralMeans carrying something through to the end and achieving the aim, but is rare; 「成し遂げる」and「やり遂げる」are the usual choices; 「果たす」stresses fulfillment.
- Synonymやり抜くやりぬくNeutralEmphasizes the will to persist and not give up halfway; 「果たす」focuses on fulfilling a duty or completing the task itself.
- Synonym遣り通すやりとおすNeutralHighlights keeping at something until the very end; 「果たす」centers on honoring promises and fulfilling duties.
- SynonymやりきるCasualColloquial: to do something to the very end, holding nothing back; 「果たす」focuses on fulfilling a duty or achieving a goal.
- SynonymしおおせるWrittenArchaic way of saying one finally succeeded in doing something; rare. In daily use, say 「やり遂げる」or「果たす」.
- RelatedしすますWrittenOld-fashioned word for carrying a plan through successfully; rare. In everyday use, say 「やり遂げる」or「果たす」.
- Relatedし終えるしおえるNeutralSimply finishes an action, focusing on bringing it to an end regardless of whether the aim is achieved; 「果たす」stresses achieving the aim and fulfilling a duty.
- Related出来すでかすCasualColloquial: to do or pull something off, often something bad; also seen in the praise 「でかした」. 「果たす」has no such nuance.
- Antonym怠るおこたるNeutralAntonym: to neglect or be lax about what should be done, as in 「注意を怠る」— the opposite of dutifully fulfilling with 「果たす」.
- Antonym放棄するNeutralAntonym: to give up rights, duties, or a task — the opposite of 「果たす」, which means carrying duties through to the end.
Use 「果たす」for fulfilling duties, realizing aims, or playing a role, as in 「責任を果たす」「役割を果たす」. For seeing work through to the end, say 「やり遂げる」or「成し遂げる」; for reaching a goal, 「達成する」. 「遂行する」「履行する」「完遂する」are written/formal; 「全うする」also covers living out one's natural life. 「やり切る」「出来す」are colloquial. For neglect or abandonment, use the antonyms 「怠る」「放棄する」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese definitions
Kanji in this word
English equivalents
See also
