純情|じゅんじょうjunjou[0]heiban (flat)

1. noun, na-adjectivepure heart; naivete; innocence
   君きみって、意外いがいに純情じゅんじょうだね。↗

   I'm surprised that you're so naïve.

• SynonymナイーブNeutralLoanword for delicate sensitivity and being easily hurt (「ナイーブな性格」); in Japanese it usually means sensitive, while 「純情」 stresses simple feelings and innocence in love.
• Synonym純真じゅんしんNeutralPure and innocent at heart (「純真な子ども」); unlike 「純情」, it is not tied to romantic innocence.
• Synonym純粋じゅんすいNeutralPure in the broadest sense — unmixed substances (「純粋な水」) as well as pure motives; 「純情」 is limited to pure-hearted feeling.
• Synonym無邪気むじゃきNeutralInnocent and free of malice (「無邪気に笑う」), often said of children; 「純情」 stresses pure feeling, especially in love.
• Synonym無垢むくWrittenWritten word for spotless, unspoiled purity (「純真無垢」) with a sacred tinge; 「純情」 is the everyday term for pure-heartedness.
• Synonym清純せいじゅんNeutralDescribes a pure, innocent image (「清純な少女」), typically of young women; 「純情」 centers on pure feeling rather than image.
• SynonymピュアNeutralLoanword for pure or pure-hearted (「ピュアな恋」), common in advertising and trendy speech; 「純情」 is the standard word.
• Synonym純じゅんWrittenWritten word for pure-hearted innocence, used mostly as a prefix and rarely alone; 「純情」 is the full word for the feeling.
• SynonymイノセンスNeutralLoanword for innocence or blamelessness, seen mostly in work titles and rare in daily use; 「純情」 is the ordinary word for a pure heart.
• SynonymイノセントNeutralLoanword for innocent or blameless, found mainly in song lyrics and titles; 「純情」 is the everyday choice.
• Related純朴じゅんぼくNeutralSimple, honest and unsophisticated (「純朴な村人」), often of country people; 「純情」 is about pure feeling, not rustic character.
• Related清いきよいNeutralAdjective for clear, clean or unsullied (「清い心」), leaning written; 「純情」 names pure-hearted feeling itself.
• Related初々しいういういしいNeutralDescribes someone still green and unworldly (「初々しい新入社員」) with a fresh feel; 「純情」 stresses pure feeling, especially in love.
• Related清浄せいじょうNeutralMeans clean and free of pollution, used of air or in religious contexts; 「純情」 is about pure feeling.
• Related清らかきよらかNeutralNa-adjective for something clear and pure (「清らかな川」「清らかな心」) with a poetic feel; 「純情」 names the feeling itself.
• Related無心むしんNeutralMeans absorbed and free of distracting thoughts, or doing something innocently (「無心に遊ぶ」); it can also mean begging for money.
• Related純潔じゅんけつWrittenWritten word for purity or chastity (「純潔を守る」), typically in the sexual sense; 「純情」 describes pure-hearted feeling rather than chastity.
• Related天真爛漫てんしんらんまんNeutralFour-character idiom for open, artless innocence (「天真爛漫な笑顔」) with a cheerful nuance; 「純情」 stresses pure feeling.
• RelatedすれてないCasualColloquial for not yet jaded by the world, i.e. still simple and innocent, with an approving or teasing tone; 「純情」 is neutral.
• Related天真てんしんWrittenWritten word for natural innocence, used mostly in the set phrase 「天真爛漫」; 「純情」 stresses pure feeling.
• Antonym狡猾こうかつNeutralAntonym: sly and cunning, the opposite of 「純情」's pure-hearted innocence.

Use 「純情」 for a pure, innocent heart and feelings, often with the nuance of being simple or naive in love (「純情な青年」). For innocent, artless nature say 「純真」 or 「無邪気」; for honest, unsophisticated character 「純朴」; for someone still green and fresh 「初々しい」. 「純粋」 is the broadest word for 'pure'; 「純潔」「無垢」 are written; the opposite is 「狡猾」.

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

1. 純真じゅんしんなさま。また、そのような心こころ。