Definition of elopes:
(v) :
(intransitive, of an unmarried person) To run away secretly for the purpose of getting married with one's intended spouse; to marry in a quick or private fashion, especially without a public period of engagement.
(v) :
(intransitive, of a married or engaged person) To run away from home with a paramour.
(v) :
(intransitive, dated) To run away from home (for any reason).