unionize
verb
union·ize
ˈyün-yə-ˌnīz 
unionized; unionizing
: to organize into a labor union
: to form or join a labor union
Examples of unionize in a Sentence
Workers are fighting for the right to unionize.
Recent Examples on the Web
The child’s death is an illustration of building problems that caused tenants of Independence Towers to unionize and launch a nearly eight-month rent strike which ended in June.
—
Pj Green, Kansas City Star, 21 Oct. 2025
In 2024, a group of Costco drivers in Washington became the company’s first truckers to unionize, joining Teamsters Local 174.
—Molly Fischer, New Yorker, 20 Oct. 2025
That’s because Tesla plants aren’t unionized.
—Jason Ma, Fortune, 18 Oct. 2025
The group’s management also faced a federal labor complaint this year, when 14 employees alleged they had been fired for seeking to unionize.
—Molly Parks, The Washington Examiner, 17 Oct. 2025
See All Example Sentences for unionize
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Pj Green, Kansas City Star, 21 Oct. 2025
In 2024, a group of Costco drivers in Washington became the company’s first truckers to unionize, joining Teamsters Local 174.
—Molly Fischer, New Yorker, 20 Oct. 2025
That’s because Tesla plants aren’t unionized.
—Jason Ma, Fortune, 18 Oct. 2025
The group’s management also faced a federal labor complaint this year, when 14 employees alleged they had been fired for seeking to unionize.
—Molly Parks, The Washington Examiner, 17 Oct. 2025
See All Example Sentences for unionize
Cite this Entry
“Unionize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unionize. Accessed 27 Oct. 2025.
Copy CitationKids Definition
unionize
verb
union·ize
ˈyün-yə-ˌnīz
unionized; unionizing
: to form into a labor union
unionization
noun
ˌyün-yə-nə-ˈzā-shən
Legal Definition
unionize
verb
union·ize
ˈyü-nyə-ˌnīz
unionized; unionizing
: to organize into a labor union
to prevent them from unionizing the employees
also
: to establish a labor union in
a unionized shop
: to form or join a labor union
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