elope

verb5

1. •
   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.

   • My younger sister has left all her friends-- has eloped; has thrown herself into the power of-- of Mr. Wickham. — 1813
2. •
   Of an unmarried person, to run away secretly from home in order to get married without parental or guardian consent.
3. •
   To escape from one's caretaker.

   • Six-year-old Casey eloped during recess and police found him watching traffic lights at the intersection.
4. •
   (old-fashioned) To run away from home (for any reason).

   • If we'd been a bit quicker, we could have caught Gowan before he eloped — 1931
5. •
   Of a married or engaged person, to run away from home with a paramour.