crippling (Adjective) — That cripples, disables or incapacitates. ex. "a crippling injury"
crippling (Verb) — Deprive of strength or efficiency; make useless or worthless. ex. "This measure crippled our efforts"
crippling (Verb) — Deprive of the use of a limb, especially a leg. ex. "The accident has crippled her for life"