unionize

verb

union·​ize ˈyün-yə-ˌnīz 

unionized; unionizing

transitive verb

: to organize into a labor union

intransitive verb

: to form or join a labor union

unionizable

ˈyün-yə-ˌnī-zə-bəl 

adjective

unionizable employees

Examples of unionize in a Sentence

Workers are fighting for the right to unionize.

Recent Examples on the Web

Hyundai may face less organized pushback on that initial deployment because the US workers at the Georgia factory are not unionized. — Jeremy Hsu, ArsTechnica, 16 July 2026

However, a lawsuit filed in late 2018 by Evans Hotels claimed that escalating demands by organized labor to unionize Evans’ Bahia resort on Mission Bay played a key role in killing a deal. — Lori Weisberg, San Diego Union-Tribune, 16 July 2026

Workers at Kings Road Merch—which acts as a supplier for punk luminaries including Rancid, Descendents, Dropkick Murphys, and Converge—had unanimously voted to unionize on May 11 this year, citing pay discrepancies and unfair contracts. — Jazz Monroe, Pitchfork, 9 July 2026

The effort to unionize legislative staff is underway in California’s Capitol — and across the state — after a 2023 bill went into effect last week allowing these public employees to organize. — William Melhado july 9, Sacbee.com, 9 July 2026

Word History

First Known Use

1872, in the meaning defined at intransitive sense

Rhymes for unionize

• advertise
• aggrandize
• alibis
• alkalies
• alkalis
• amortize
• amplifies
• analyse
• analyze
• anywise
• authorize
• butterflies

Kids Definition

unionize

verb

union·​ize ˈyün-yə-ˌnīz 

unionized; unionizing

: to form into a labor union

unionization

ˌyün-yə-nə-ˈzā-shən

noun

Legal Definition

unionize

verb

union·​ize ˈyü-nyə-ˌnīz 

unionized; unionizing

transitive verb

: to organize into a labor union

to prevent them from unionizing the employees

also : to establish a labor union in

a unionized shop

intransitive verb

: to form or join a labor union

unionization

ˌyü-nyə-nə-ˈzā-shən 

noun