love affair

from WordNet (r) 3.0 (2006)

love affair
    n 1: a relationship between two lovers [syn: {love affair},
         {romance}]

from Moby Thesaurus II by Grady Ward, 1.0

19 Moby Thesaurus words for "love affair":
      adulterous affair, adultery, affair, amour, cuckoldry,
      entanglement, eternal triangle, flirtation, forbidden love,
      hanky-panky, illicit love, infidelity, intrigue, liaison, love,
      romance, romantic tie, triangle, unfaithfulness