The act of running away with a lover (usually to get married) WordNet 3.0 & Open English WordNet

Elopement is a marriage which is conducted in a sudden and secretive fashion, sometimes involving a hurried flight away from one's place of residence together with one's beloved with the intention of getting married without parental approval. Wikipedia

Marriage conducted in sudden and secretive fashion. Wikipedia Disambiguation

Type of marriage ceremony Wikidata

The act of running away secretly for the purpose of getting married with one's intended spouse. Wiktionary