disqualify
C2Substantiv/US /dɪskwˈɑləfˌaɪ/ dĭskw-ÄL-əf-ī; UK /dɪskwˈɑləfˌaɪ/ dĭskw-ÄL-əf-ī/
To deprive of the qualities or properties necessary for any purpose; to render unfit; to incapacitate; -- with for or from before the purpose, state, or act.
