withdrawal
US /wɪðˈdrɑː.əl/
UK /wɪðˈdrɑː.əl/

1.
the action of drawing something back or away, or of being drawn back or away
:
•
The withdrawal of troops from the region was completed.
•
He requested a withdrawal of his application.
2.
3.
the process of ceasing to take a drug, especially an addictive one, or to engage in an addictive activity
:
•
He experienced severe withdrawal symptoms after quitting smoking.
•
The clinic specializes in helping people through drug withdrawal.