de·​cer·​ti·​fy (ˌ)dē-ˈsər-tə-ˌfī How to pronounce decertify (audio)
decertified; decertifying; decertifies

transitive verb

: to withdraw or revoke the certification of

Examples of decertify in a Sentence

Recent Examples on the Web For instance, workers at a unionized Nissan facility in Somerset, New Jersey, are in the process of decertifying from the UAW. Veronique De Rugy, Orange County Register, 9 May 2024 The company argues the allegations are being used as a distraction by UFW from the numerous workers pushing to decertify the union. Mathew Miranda, Sacramento Bee, 4 Apr. 2024 Key Background Trump endorsed Steen as an opponent to Vos in 2022, after Vos refused continuous calls by Trump to decertify President Joe Biden’s election win in 2020. Ty Roush, Forbes, 23 Feb. 2024 The veiled threat against Green’s attorneys fueled a gun-violence restraining order the police department filed against McNamara alongside a petition to decertify him as a police officer in California. Robert Salonga, The Mercury News, 13 Feb. 2024 The 2021 law that first created a mechanism for the state to decertify police and deputies only took effect last year. Keri Blakinger, Los Angeles Times, 25 Jan. 2024 The other two demands were that the university resist calls to suspend and/or decertify the Palestine Solidarity Committee and that the university affirm its commitment to the freedom of thought. NBC News, 15 Nov. 2023 After the 2020 presidential election, Johnson was an architect of congressional efforts to overturn the results, not only voting to decertify the results, but galvanizing House Republicans to join a lawsuit in Texas to challenge the outcome, and espousing a conspiracy theory. CBS News, 29 Oct. 2023 Buck said that most House Republicans had voted to decertify the Electoral College results, as Johnson did. Kristina Peterson, WSJ, 25 Oct. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'decertify.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1918, in the meaning defined above

Time Traveler
The first known use of decertify was in 1918

Dictionary Entries Near decertify

Cite this Entry

“Decertify.” Dictionary, Merriam-Webster, Accessed 28 May. 2024.

Legal Definition


transitive verb
de·​cer·​ti·​fy dē-ˈsər-tə-ˌfī How to pronounce decertify (audio)
decertified; decertifying
: to withdraw or revoke the certification of
decertified the class action suit
especially : to withdraw the certification of (a labor union) as a collective bargaining agent
petitions to decertify the union

Note: The National Labor Relations Board will decertify a union after an election in which the majority of members do not support the union or after participation in an illegal strike.

decertification noun

More from Merriam-Webster on decertify

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!