cripple in WordNet English dictionary

1. someone who is unable to walk normally because of an injury or disability to the legs or back
   cripple 
   

1. deprive of the use of a limb, especially a leg
   "The accident has crippled her for life"
   cripple  lame 
   
2. deprive of strength or efficiency; make useless or worthless
   "This measure crippled our efforts"; "Their behavior stultified the boss's hard work"
   cripple  stultify