abandoning
/əˈband(ə)n/
verb
Cease to support or look after (someone); desert.
her natural mother had abandoned her at an early age
desert,leave,leave high and dry,turn one’s back on,cast aside,break with,break up with
noun
Complete lack of inhibition or restraint.
she sings and sways with total abandon
uninhibitedness,recklessness,lack of restraint,lack of inhibition,unruliness,wildness,impulsiveness,impetuosity,immoderation,wantonness