love affair

English

love affair (plural love affairs)

An affair; a usually adulterous relationship between people who are not married to each other.
He was involved in a love affair with a married woman.
A feeling of enthusiasm or strong liking for something; a fondness.
I've always had a love affair with stamps.
- 2011 February 12, Phil McNulty, “Man Utd 2 - 1 Man City”, in BBC‎:
  And if his love affair with Old Trafford was strained by the saga of his demand to leave earlier this season, the bond was rekindled as United claimed a vital victory.

adulterous relationship

Arabic: عَلَاقَة غَرَامِيَّة‎ f (ʿalāqa ḡarāmiyya)
Chinese:
Mandarin: (illicit) 偷香竊玉 (zh), 偷香窃玉 (zh) (tōuxiāngqièyù), (romantic) 風流韻事 (zh), 风流韵事 (zh) (fēngliúyùnshì), 外遇 (zh) (wàiyù), 私情 (zh) (sīqíng)
Esperanto: amafero, amaĵo, amintrigo
Finnish: rakkausseikkailu, rakkausjuttu, rakkaussuhde (fi)
French: affaire de cœur (fr) m
German: Liebesabenteuer (de) n, Liebesaffäre (de) f, Liaison (de) f, Techtelmechtel (de) n, Seitensprung (de) m, Bettgeschichte (de) f, Liebschaft f, Affäre (de) f
Italian: relazione amorosa f, affare di cuore m, tresca (it) f, legame sentimentale m, storia (it) f, avventura (it) f
Japanese: 情事 (ja) (じょうじ, jōji), 色恋沙汰 (いろこいざた, irokoizata), 色恋 (いろこい, irokoi), ラブアフェア (rabu afea), 不倫 (ja) (ふりん, furin)

Korean: 러브 어페어 (reobeu eopeeo), 정사 (ko) (jeongsa), 연애 사건 (yeonae sageon), 불륜 (bullyun)
Latin: amōrēs (la) m pl, cōnsuētūdō f
Macedonian: љубовна врска f (ljubovna vrska), афера f (afera)
Norwegian:
Bokmål: kjærlighetsaffære m
Polish: romans (pl) m
Portuguese: caso (pt) m
Russian: рома́н (ru) m (román), любовное похожде́ние n (ljubovnoje poxoždénije), любо́вная интри́га f (ljubóvnaja intríga), любо́вная связь f (ljubóvnaja svjazʹ), (hanky-panky) шу́ры-му́ры (ru) f pl (šúry-múry), ша́шни (ru) m pl (šášni), аму́ры (ru) m pl (amúry)
Spanish: ligue (es) m, escarceo amoroso, aventura (es) f, devaneo (es) m, affaire (es) m ((fem. in Argentina and Uruguay)), lío (es) m, rollo (es) m, idilio (es) m, romance (es) m

fondness