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Invalid (Verb)

Injure permanently; "He was disabled in a car accident".

Verbs of grooming, dressing and bodily care.

The athlete was permanently invalid by a severe knee injury sustained during the game.
A car accident so badly damaged his spinal cord that he became an invalid.
She was permanently invalid after the accident and required a lifetime of care and therapy.
His football career was ended when he was invalid in a brutal tackle during the final match.
The disease slowly began to invalid his immune system.

Force to retire, remove from active duty, as of firemen.

Verbs of political and social activities and events.

The fire department had to invalidate Captain Smith from the team due to severe injuries.
Due to his disability from an on-duty accident, they invalided Sergeant Thompson.
The local firefighters' union raised concerns about the department's decision to invalidate the 55-year-old fire chief.
During the monthly review, staff sergeant's age led the panel to invalidate him from active duty.
Following a second near-miss incident, Corporal Lewis was invalidated from participating in future firefighting operations.