noun
matter or business to be taken care of; happening activity
Synonyms: assignment, avocation, calling, case, circumstance, concern, duty, employment, episode, event, hap, happening, incident, interest, job, mission, obligation, occupation, occurrence, office function, proceeding, profession, project, province, pursuit, question, realm, responsibility, subject, task, thing, topic, transaction, undertaking
noun
illicit sexual relationship
Synonyms: affaire, amour, carrying on, extracurricular activity, fling, goings-on, hanky-panky, intimacy, intrigue, liaison, love, playing around, relationship, rendezvous, romance, thing together, two-timing