na-adjective, noun which may take the genitive case particle 'no', noun
Describes something free from adulteration, falsehood, or ulterior motives. Used for substances, feelings, motives, and people. Can carry a positive nuance of innocence or sincerity.
この水は純粋で、不純物が一切含まれていない。
This water is pure and contains no impurities at all.
His genuine feelings came through.
I enjoy mathematics purely for its own sake.
She is a pure-hearted person who never doubts anyone.
His words were filled with genuine feeling.
He plays music purely because he loves it.
This is made of pure gold.
純粋 is the common, everyday word for 'pure', while 純一 is a literary term stressing uniformity and simplicity.
純粋 praises someone as genuinely pure-hearted, while ナイーブ can carry a hint that the person is naive or easily hurt because of their innocence.
純粋 is the everyday, versatile word for 'pure' (both of people and of substances), while 純 as a standalone adjective is rarer and more literary.
純粋 emphasizes something unmixed or innocent in nature, while 純正 stresses official authenticity or lack of adulteration, especially in commercial or academic contexts.
純粋 stresses being genuine and unmixed, whereas 清浄 stresses the absence of dirt or contamination.
純粋 emphasizes moral or emotional purity (e.g. sincere motives), while 清らか adds a poetic sense of untainted beauty to that purity.
純粋 focuses on being unmixed or genuine in feeling or motive, while 清い more often describes a clean, untainted physical or moral state.
純粋 describes purity or genuineness in general (e.g. 純粋な気持ち), while 純情 specifically implies a youthful, romantic kind of innocence.
pure and innocent; immaculate
pure reason