clandestine meeting; secret rendezvous; tryst
Typically used for lovers meeting in secret. The cross-reference 密会 is a more general term for secret meetings.
See also: 密会
The two of them met secretly again and again, avoiding public attention.
That café is known as a place for secret rendezvous.
Standard kanji spelling with okurigana.
Kana-kanji mixed spelling; the kana part makes the reading clear.
Variant using 会い instead of 逢い; 逢い specifically suggests a romantic meeting.
Irregular okurigana usage; the reading is not obvious from the kanji alone.
Compound of 忍び (しのび, stealth) and 逢い (あい, meeting). The kanji 逢 specifically suggests a romantic or intimate encounter.