open union

American  

noun

1. a labor union that does not impose rigid restrictions on the admission of new members.

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Example Sentences

Observing open union activity in workplace areas frequented by supervisors would not constitute spying, according to the NLRB.

From Washington Post

The labor board has three other open union complaints against the network.

From Washington Times

It’s a version of the contradiction within the European Union itself: between an open union and a collection of sovereign states.

From New York Times

In 2014, the state teachers union called for his resignation, and he's not exactly being welcomed into his new role with open union arms, either.

From US News

"The Arbitration Court, except in a few minor cases, has refused to grant unconditional preference and the unionists, realizing that preference to an open union is no preference at all, now look to Parliament for redress and demand statutory unconditional preference to unionists."

From Project Gutenberg