代替・代替え|だいたいdaitai[0]heiban (flat)
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- noun, suru verb, transitive verbsubstitution
- no-adjectivealternative; substitute
Conjugation
| Dictionary form | 代替する(だいたいする) |
|---|---|
| Polite (masu) | 代替します(だいたいします) |
| Negative (nai) | 代替しない(だいたいしない) |
| polite (masen) | 代替しません(だいたいしません) |
| classical zu / nu | 代替せず・代替せぬ(だいたいせず・だいたいせぬ) |
| Past (ta) | 代替した(だいたいした) |
| polite (mashita) | 代替しました(だいたいしました) |
| Past negative (nakatta) | 代替しなかった(だいたいしなかった) |
| polite (masen deshita) | 代替しませんでした(だいたいしませんでした) |
| Te form | 代替して(だいたいして) |
| Potential | 代替できる(だいたいできる) |
| Passive | 代替される(だいたいされる) |
| Causative | 代替させる(だいたいさせる) |
| Causative passive | 代替させられる(だいたいさせられる) |
| Conditional (ba) | 代替すれば(だいたいすれば) |
| tara | 代替したら(だいたいしたら) |
| Volitional | 代替しよう(だいたいしよう) |
| polite (mashou) | 代替しましょう(だいたいしましょう) |
| Imperative | 代替しろ(だいたいしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym代わりかわりNeutralThe everyday, most common word for substituting or for a substitute; 「代替」 is the written, formal word, seen in 「代替案」 and 「代替エネルギー」.
- Synonym替えかえNeutralCovers changing something out or a spare, as in 「替えのシャツ」; 「代替」 stresses one thing standing in for another.
- Synonym入れ替えいれかえNeutralSwapping or switching things around; 「代替」 is putting something else in place of the original.
- Synonym差し替えさしかえNeutralReplacing with a new or corrected version, e.g. of documents or images; 「代替」 is about substitution.
- Synonym身代わりみがわりNeutralTaking someone's place or the blame for them, or a stand-in; 「代替」 is mostly things or plans.
- Synonym入れ替わりいれかわりNeutralPeople or things being replaced or alternating—either swapping places or one taking over from the other; 「代替」 stresses substitution with something else.
- Synonym置換ちかんWrittenWritten/formal prose: substitution, also a term in chemistry and mathematics; 「代替」 is the general written word.
- Synonym取り替えとりかえNeutralSwapping or changing one thing for another; 「代替」 stresses having something else serve in its place.
- Synonym置き換えおきかえNeutralPutting one thing in place of another, e.g. replacing text; 「代替」 stresses the substitute function.
- Related交代こうたいNeutralRotation, taking turns or shift changes, mostly for people; 「代替」 is mostly for things.
- Related交換こうかんNeutralMutual exchange, or swapping an old one for a new one, as in 「電池を交換する」; 「代替」 stresses using something else in place of the original.
- Related互換ごかんNeutralBeing mutually interchangeable, as in 「互換性」; 「代替」 is substitution.
- Related代人だいにんWrittenWritten/formal prose: a deputy or proxy acting for someone; 「代替」 is mostly for things.
- Related代役だいやくNeutralAn actor standing in for another, or more broadly someone covering another's duties; 「代替」 is mostly things or plans.
- Related代理人だいりにんFormalFormal: a person authorized to act for another; 「代替」 is a substitute or alternative plan.
- Related付け替えつけかえNeutralReattaching or switching something over, also in 「名義の付け替え」; 「代替」 stresses substituting with something else.
- RelatedかけがえNeutralMostly seen in 「掛け替えのない」, meaning irreplaceable; rarely used on its own.
- Related代り役かわりやくNeutralA stand-in actor; 「代替」 is mostly for things.
- Related代員だいいんWrittenWritten and rare: a person deputizing for another; in everyday use say 「代理」.
- Related代替物だいたいぶつWrittenLegal and commercial term for goods replaceable by others of the same kind; 「代替」 can also mean a substitute, but more often the act of substituting.
- Related代品だいひんNeutralUncommon: a substitute item; in everyday use say 「代用品」.
- Related代用品だいようひんNeutralAn item used in place of the original, as in 「バターの代用品」; 「代替」 is more written and can also refer to a plan.
In written or formal prose use 「代替」, as in 「代替案」. In everyday speech say 「代わり」. Use 「交代」 for shift changes and rotation, 「交換」 for exchanging or replacing, 「代役」 for stand-in actors, and 「代用品」 for substitute items.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
- 他の物で替えること。


