DISQUALIFY

v.tr. (-ies, -ied) 1 (often foll. by from) debar from a competition or pronounce ineligible as a winner because of an infringement of the rules etc. (disqualified from the race for taking drugs). 2 (often foll. by for, from) make or pronounce ineligible or unsuitable (his age disqualifies him for the job; a criminal record disqualified him from applying). 3 (often foll. by from) incapacitate legally; pronounce unqualified (disqualified from practising as a doctor).