to disqualify by invalidating a previously granted certificate or license
transitive verbde·cer·ti·fied, de·cer·ti·fy·ing, de·cer·ti·fies
To revoke the certification of: voted to decertify the union.
(third-person singular simple present decertifies, present participle decertifying, simple past and past participle decertified)
- To remove the certification of.
de- + certify
decertify - Legal Definition
To cancel or annul a certification, as of a labor union or of a class in a class action.