rehab
n. uncountable B2 Upper Intermediate US //ɹihæb// UK //ɹɪhˈæb// re·hab
n. a place or program where people go to get better after an injury or to stop using drugs or alcohol. It is a short way of saying rehabilitation.
n. a course of treatment or a facility dedicated to the recovery from addiction or physical injury. Informal in register; serves as a clipped form of 'rehabilitation'.
He spent three months in rehab after his knee surgery.
The singer checked into rehab to address her long-standing struggle with alcohol addiction.
While the facility offers luxury amenities, its primary focus remains a rigorous rehab program designed to help patients reintegrate into society without the need for substances.
Clipping of rehabilitation.
Usage
Often used without an article in phrases like 'in rehab' or 'go to rehab'.