cobelligerent

[ koh-buh-lij-er-uhnt ]

noun

1. a state or individual that cooperates with, but is not bound by a formal alliance to another in waging war.

cobelligerent

/ ˌkəʊbɪˈlɪdʒərənt /

noun

1. a country fighting in a war on the side of another country

Word History and Origins

Origin of cobelligerent¹

First recorded in 1805–15; co- + belligerent