disqualify
verb [ T ]
uk/dɪˈskwɒlɪfaɪ/ usto officially stop someone from being in a competition or doing something because they are not suitable or they have done something wrong:
Of the enlistees who signed up last month, 12.3% required waivers for past criminal activity that would have disqualified them for service.
be disqualified from sth/doing sth An ex-convict can't be disqualified from public employment based solely on a prior conviction.
disqualification
noun [ C or U ] uk/dɪˌskwɒlɪfɪˈkeɪʃən/ us/-ˌskwɑːlə-/
The Chair of the Board shall have authority to order the disqualification of a Governor appointed under this ruling.
I will bring forward legislative proposals to enable us to handle the disqualification of unfit directors more efficiently and effectively.