1. Cease to support or look after (someone); desert.
“her natural mother had abandoned her at an early age”
2. Give up completely (a practice or a course of action).
“he had clearly abandoned all pretence of trying to succeed”
3. Allow oneself to indulge in (a desire or impulse).
“she abandoned herself to a kiss”
1. Complete lack of inhibition or restraint.
“she sings and sways with total abandon”