Debilitated

Debilitated Рverb

to make (someone or something) weak : to reduce the strength of (someone or something)

Definition:
1: to impair the strength of

Source:

http://www.merriam-webster.com/dictionary/debilitated

Encounter:
I encountered this word in a New York Times article on the North Korea cyber attack on Sony, the attack had Debilitated Sony’s computers. From the context clues I could figure out the definition something around the lines of stopped them from working, so I looked up the actual definition after and it meant to weaken something such as the computers.