幼生|ようせいyousei[0]heiban (flat)
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- na-adjective, no-adjectivelarva; larvae
Conjugation
| Plain form | 幼生(ようせい) |
|---|---|
| Polite (desu) | 幼生です(ようせいです) |
| Negative (dewa nai) | 幼生ではない(ようせいではない) |
| polite (dewa arimasen) | 幼生ではありません(ようせいではありません) |
| Past (datta) | 幼生だった(ようせいだった) |
| Past negative (dewa nakatta) | 幼生ではなかった(ようせいではなかった) |
| Te form (de) | 幼生で(ようせいで) |
| Adverbial (ni) | 幼生に(ようせいに) |
| Conditional (nara) | 幼生なら(ようせいなら) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym幼虫ようちゅうNeutralEveryday word for larvae, but mainly of insects; its range is narrower than 「幼生」 and does not cover tadpoles and the like.
- Synonym仔虫しちゅうWrittenWritten and rare; refers to the young of insects and similar creatures, and is uncommon outside technical contexts.
- Antonym成虫せいちゅうNeutralThe fully grown insect; the adult stage, standing opposite the larval 「幼生」.
- Antonym成体せいたいWrittenWritten word for a fully grown organism capable of reproduction; the opposite of the larval 「幼生」.
Use 「幼生」, a biological term, for young forms that look very different from the adult, like tadpoles or sea urchin larvae; for insects say 「幼虫」. The opposites are 「成体」 for grown organisms and 「成虫」 for adult insects.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


