賛成|さんせいsansei[0]heiban (flat)
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Definitions
- suru verb, intransitive verb, no-adjectiveapproval; agreement; support; favour; favor
Conjugation
| Dictionary form | 賛成する（さんせいする） |
|---|---|
| Polite (masu) | 賛成します（さんせいします） |
| Negative (nai) | 賛成しない（さんせいしない） |
| polite (masen) | 賛成しません（さんせいしません） |
| classical zu / nu | 賛成せず・賛成せぬ（さんせいせず・さんせいせぬ） |
| Past (ta) | 賛成した（さんせいした） |
| polite (mashita) | 賛成しました（さんせいしました） |
| Past negative (nakatta) | 賛成しなかった（さんせいしなかった） |
| polite (masen deshita) | 賛成しませんでした（さんせいしませんでした） |
| Te form | 賛成して（さんせいして） |
| Potential | 賛成できる（さんせいできる） |
| Passive | 賛成される（さんせいされる） |
| Causative | 賛成させる（さんせいさせる） |
| Causative passive | 賛成させられる（さんせいさせられる） |
| Conditional (ba) | 賛成すれば（さんせいすれば） |
| tara | 賛成したら（さんせいしたら） |
| Volitional | 賛成しよう（さんせいしよう） |
| polite (mashou) | 賛成しましょう（さんせいしましょう） |
| Imperative | 賛成しろ（さんせいしろ） |
Common forms generated by rule; see the senses for honorific or irregular usage.
Synonyms & antonyms
- Synonym賛同さんどうWrittenAgrees with another person's opinion or argument, as in 「趣旨に賛同する」; leans written. 「賛成」 is the most versatile, typically used to take a stance on a proposal.
- Synonym同意どういNeutralAgrees to the other party's opinion or request (「同意書」), and can also mean 'same meaning'. It leans toward granting permission; 「賛成」 is simply voicing agreement.
- Synonym是認ぜにんWrittenFormal written word for accepting something as right or justified, as in 「現状を是認する」; found mostly in argumentative prose.
- Synonym支持しじNeutralBacking or supporting a person or position (「支持率」), and it can target a concrete decision too. 「賛成」 centers on agreeing with a proposal.
- SynonymＯＫオッケーCasualColloquial and the most casual way to say something is fine or no problem; in formal settings use 「賛成」 or 「承知」.
- Synonym認めるみとめるNeutralAcknowledging or recognizing something, and also permitting it (「入学を認める」); its range is broader than 「賛成」.
- Synonym合点がてんNeutralMostly in 「合点がいく」 and 「合点承知」; means grasping and accepting, with an old-fashioned ring.
- Synonym首肯しゅこうWrittenWritten word for nodding assent, as in 「首肯しがたい」; often appears in negatives or argumentative prose.
- Related承認しょうにんNeutralFormal approval or recognition, as in 「議会の承認」, usually granted by a superior or institution. 「賛成」 expresses an attitude of agreement.
- Related了解りょうかいNeutralUnderstanding and accepting (「了解しました」); in speech it also works as 'roger'. The emphasis is on comprehension, not necessarily approval.
- Related承服しょうふくWrittenWholehearted acceptance, often in the negative as 「承服しかねる」; used in formal settings.
- Related承諾しょうだくNeutralConsenting to another's request or demand (「承諾を得る」); the weight is on accepting a request, while 「賛成」 is about agreeing with an opinion.
- Related認めるみとめるNeutralAcknowledging or recognizing something, and also permitting it (「入学を認める」); its range is broader than 「賛成」.
- Related許すゆるすNeutralAllowing or permitting, and also forgiving (「外出を許す」); the core is granting permission, while 「賛成」 is about sharing an opinion.
- Related同じるどうじるWrittenRare written verb for agreeing; in everyday use say 「同意する」.
- Related支援しえんNeutralGiving help or aid, as in 「被災地を支援する」; the emphasis is on actually lending a hand, while 「賛成」 is voicing agreement.
- Related許可きょかNeutralOfficial permission or authorization (「許可証」), granted by someone in authority; 「賛成」 is agreement with an opinion.
- Related後援こうえんNeutralBacking or sponsoring from behind the scenes (「後援会」, 「新聞社後援」); mostly used for events and elections.
- Related諒するりょうするWrittenRare written word for understanding and accepting another's circumstances; in everyday speech say 「了承する」.
- Related承引しょういんWrittenRare formal word for consenting to take something on; in daily speech say 「承諾」 or 「引き受ける」.
- Related然諾ぜんだくWrittenRare written word for saying yes to a request; in everyday use say 「承諾」.
- Related賛するさんするWrittenRare written word meaning to agree, or to add an inscription to a painting; in daily speech say 「賛成する」.
- Related同ずるどうずるWrittenAn old-style form of 「同じる」 meaning to concur with an opinion; not used in everyday speech.
- Related聞き入れるききいれるNeutralHearing out and granting another's request, as in 「願いを聞き入れる」; the weight is on accepting the request.
- Related諾ううべなうWrittenArchaic verb for assenting; virtually unused today — say 「承諾する」 instead.
- Antonym反対はんたいNeutralThe direct antonym: opposition or objection, the exact opposite of 「賛成」.
Use 「賛成」 to voice agreement with a proposal or opinion; it fits both casual talk and formal writing. To agree with someone's argument, pick 「賛同」. For agreeing to a request, use 「同意」 or 「承諾」; for approval by a superior or institution, 「承認」 or 「許可」; for backing a person or cause, 「支持」; and in casual speech, 「OK」.
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
