情事|じょうじjouji[1]atamadaka (head-high)

1. nounlove affair; liaison

• Synonym色事いろごとCasualColloquial and slightly coarse word for male–female affairs; 「情事」 is more written and often implies sex or an extramarital relationship.
• Synonym艶事つやごとWrittenWritten word for a secret love affair or liaison; rare compared with 「情事」.
• Synonym色恋いろこいNeutralMale–female love with a coarse flavor; mostly seen in the set phrase 「色恋沙汰」 rather than on its own.
• Synonym色恋沙汰いろこいざたNeutralLove-related matters between men and women, with a gossipy flavor; it centers on the incident, while 「情事」 centers on sex or an extramarital affair.
• RelatedロマンスNeutralLoanword for a romantic liaison, with a pure, idealized feel; 「情事」 instead has carnal and illicit overtones.
• Related恋愛れんあいNeutralThe everyday, most neutral word for love and dating; 「情事」 adds the nuance of sex or an illicit affair.
• Related不義ふぎWrittenWritten word for adultery or infidelity, as in 「不義の子」; it carries moral condemnation.
• Related濡れ事ぬれごとNeutralTrysts between men and women, with an erotic flavor; also a kabuki love scene or bed scene.
• Related密通みっつうWrittenWritten word for a secret illicit liaison; it can also mean secretly contacting the enemy, and has a legal ring.
• Related恋愛関係れんあいかんけいNeutralObjective, descriptive term for a romantic relationship; 「情事」 instead hints at sex or an extramarital affair.
• Related恋路こいじWrittenWritten and poetic, likening romance to a road, as in 「恋路を邪魔する」.
• Related情交じょうこうWrittenWritten and rare; a blunt word for sex between a man and a woman, more explicit than 「情事」.

For everyday romance say 「恋愛」. Use 「情事」 for a liaison involving sex or outside marriage, as in 「情事が発覚する」; infidelity is 「不倫」, love-life gossip 「色恋沙汰」, an idealized romance 「ロマンス」. 「色事」 is colloquial and coarse, 「濡れ事」 risqué, 「恋愛関係」 objective; 「艶事」, 「不義」, 「密通」, 「恋路」 and 「情交」 are written, several rare.

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

1. 男女だんじょ間かんの恋愛れんあいに関かんすること。特とくに、性的せいてき関係かんけいを伴ともなうもの。情交じょうこう。
2. 語義ごぎ1のうち、婚姻こんいん制度せいどに反はんしているないし無関心むかんしんであるもの。浮気うわき、不倫ふりん。