interunion
adjective
in·ter·union
ˌin-tər-ˈyün-yən 
variants
or inter-union
: existing or occurring between two or more unions
More generally, interunion rivalry has been blamed for undermining labor movement solidarity …—
Mark Harcourt and Helen Lam
: including members of two or more unions
Mark Harcourt and Helen Laman interunion council
Cite this Entry
“Interunion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interunion. Accessed 17 Jul. 2025.
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