純粋|じゅんすいjunsui[0]heiban (flat)
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- na-adjective, no-adjectivepure; true; genuine; unmixed
Conjugation
| Plain form | 純粋(じゅんすい) |
|---|---|
| Polite (desu) | 純粋です(じゅんすいです) |
| Negative (dewa nai) | 純粋ではない(じゅんすいではない) |
| polite (dewa arimasen) | 純粋ではありません(じゅんすいではありません) |
| Past (datta) | 純粋だった(じゅんすいだった) |
| Past negative (dewa nakatta) | 純粋ではなかった(じゅんすいではなかった) |
| Te form (de) | 純粋で(じゅんすいで) |
| Adverbial (ni) | 純粋に(じゅんすいに) |
| Conditional (nara) | 純粋なら(じゅんすいなら) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- SynonymピュアNeutralLoanword for pure or innocent, as in 「ピュアな心」; common in advertising and for a person's image. 「純粋」 is more formal and also covers unmixed substances.
- Synonym無垢むくWrittenWritten word for a spotless, innocent heart, or for solid wood and plain colours, as in 「純真無垢」「無垢材」; carries a holy, unsullied nuance.
- Synonym純じゅんNeutralMeans pure and innocent but works mostly as a prefix, as in 「純文学」「純金」; it is rarely used on its own.
- Synonym純正じゅんせいNeutralMeans genuine or first-party, as in 「純正部品」; used mainly of parts and merchandise.
- Synonym純情じゅんじょうNeutralMeans pure-hearted and naive, as in 「純情な少年」; used mainly in romantic contexts.
- Synonym純真じゅんしんWrittenWritten word for innocence of heart, as in 「純真な子ども」; stresses a childlike, unspoiled mind. 「純粋」 also describes unmixed substances.
- Synonym清純せいじゅんWrittenWritten word for fresh, innocent purity, as in 「清純派女優」; used mostly of young women.
- Synonym純潔じゅんけつWrittenWritten word for purity and chastity, as in 「純潔を守る」; used chiefly of sexual innocence.
- Synonym純一じゅんいつWrittenWritten word meaning pure and unmixed, or plain and unadorned; rare in everyday use.
- Related清いきよいNeutralAn adjective for clear, clean water or an honest heart, as in 「清い流れ」「清い心」; leans toward written style.
- Related清浄せいじょうNeutralMeans clean and free of dirt, as in 「空気清浄機」; used mostly of air and the environment.
- Related生一本きいっぽんNeutralRefers to a single-minded, straightforward character, as in 「生一本な性格」, and also to pure rice sake; carries a note of praise.
- Related純一無雑じゅんいつむざつWrittenFour-character idiom for being free of all admixture and pure in heart; strongly literary.
- Related無雑むざつWrittenWritten word for purity without admixture; rare.
- Antonym不純ふじゅんNeutralAntonym meaning impure or adulterated, as in 「不純物」「不純な動機」; the direct opposite of 「純粋」.
Use 「純粋」 for something unmixed or a sincere motive, as in 「純粋な水」「純粋な気持ち」. For innocence of heart pick 「純真」, for romantic naivety 「純情」, for first-party goods 「純正」, and for an ad-like pure image 「ピュア」. The opposite is 「不純」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


