[ muhl-ti-lat-er-uh-lahyz ]
/ ˌmʌl tɪˈlæt ər əˌlaɪz /

verb (used with object), mul·ti·lat·er·al·ized, mul·ti·lat·er·al·iz·ing.

to open to participation by several nations, organizations, etc.: to multilateralize trade agreements.
Also especially British, mul·ti·lat·er·al·ise.

Origin of multilateralize

First recorded in 1945–50; multilateral + -ize

OTHER WORDS FROM multilateralize

mul·ti·lat·er·al·i·za·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020