Added 10 October 2026 extramarital /ˌɛkstɹəˈmæɹɪtəl/ adjective Categories: Describing WordsRare Words adjective ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about extramarital at Wordnik → Where our words come from → Occurring outside marriage. Adulterous. Related Words: adulterousillicitextracurricularfreeoutsideextradomesticextracontractualillegitimatestrangeextrapairnonmatrimonialnonmarital Back to today's word