abandoned
US /əˈbæn.dənd/
UK /əˈbæn.dənd/

1.
having been deserted or cast off
:
•
The old house stood abandoned for years.
•
They found an abandoned puppy by the roadside.
2.
unrestrained; uninhibited
:
•
She danced with abandoned joy.
•
The crowd cheered with abandoned enthusiasm.