abandon:1

verb
aban*don \ ə-ˈban-dən \
14th century{ds||1|b|}
  • to give up to the control or influence of another person or agent
  • to give up with the intent of never again claiming a right or interest in
  • to withdraw from often in the face of danger or encroachment

abandon:2

noun
abandon \
1815
  • a thorough yielding to natural impulses; especially : enthusiasm, exuberance

abandon oneself to

idiom
abandon oneself to \
  • to allow oneself to be fully controlled or affected by (something, such as a strong emotion)

with reckless abandon

idiom
with reckless abandon \
  • in a very wild and reckless way

abandon/drop all pretense at

idiom
abandon/drop all pretense at \
  • to stop acting or appearing in a way that looks real but is false : to stop pretending
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