How to say "purity" in Japanese

• 純度じゅんどCommon
  nounPurity as a measurable property of a substance — how free a material is of impurities. The natural choice in scientific, industrial, or commercial talk about chemicals, metals, and the like.
• 清浄せいじょうCommon
  na-adjective, no-adjectivePurity in the sense of being clean and free of dirt or defilement, said of air, water, places, or the heart; often carries a religious or ceremonial nuance.
  山中さんちゅうでは空気くうきはとても清浄せいじょうだ。↗

  The air is very pure in the mountains.
• 清純せいじゅんJLPT N1approx.Common
  na-adjective, nounPersonal purity and innocence of character, typically describing a person — especially a young woman — as unsullied and untouched by worldly experience; not used of substances.
• 潔白けっぱくCommon
  noun, na-adjectiveReally means innocence in the sense of being free of guilt or blame, as when clearing someone of suspicion. Seldom the word you want for 'purity' in other senses.
  私は彼かれが潔白けっぱくだと断言だんげんした。↗

  I affirmed that he was innocent.

Use 純度 for the measurable purity of substances, 清浄 for cleanliness and freedom from defilement, 清純 for personal innocence of character, and 潔白 chiefly for innocence in the sense of freedom from guilt.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 純度じゅんどpurity (of a substance)
• 清浄せいじょうpure
• 清純せいじゅんpurity
• 潔白けっぱくinnocence
• 純潔じゅんけつpurity
• 純一じゅんいつpurity
• 精一せいいつpurity
• 精粋せいすいpurity
• 清浄無垢せいじょうむくpurity
• 貞潔ていけつchastity
• 生一本きいっぽんstraight-forwardness
• 純真無垢じゅんしんむくpure
• 無塩むえんpurity
• 白蓮びゃくれんpurity