disqualifydis·qual·i·fy /dɪsˈkwɒləfaɪ-ˈkwɑː-/ verb (past tensepst and past participlepp disqualified) [transitiveT] to officially or legally stop someone being allowed to do something, because they have done something wrongThe General Medical Council had disqualified a doctor for misconduct.
He was disqualified from driving for a drink-driving offence.