INCAPACITATING

crippling, disabling, incapacitating

(adjective) that cripples or disables or incapacitates; “a crippling injury”

Source: WordNet® 3.1

Verb

incapacitating

present participle of incapacitate

Adjective

incapacitating (comparative more incapacitating, superlative most incapacitating)

(of an injury etc) To make incapable (of doing something).

Source: Wiktionary

INCAPACITATE

In`ca*pac"i*tate, v. t. [imp. & p. p. Incapacitated; p. pr. & vb. n. Incapacitating.] Etym: [Pref. in- not + capacitate.]

1. To deprive of capacity or natural power; to disable; to render incapable or unfit; to disqualify; as, his age incapacitated him for war.

2. (Law)

Definition: To deprive of legal or constitutional requisites, or of ability or competency for the performance of certain civil acts; to disqualify. It absolutely incapacitated them from holding rank, office, function, or property. Milman.

Source: Webster’s Unabridged Dictionary 1913 Edition