internationalist

American

[in-ter-nash-uh-nl-ist] / ˌɪn tərˈnæʃ ə nl ɪst /

noun

an advocate of internationalism.
an expert in international law and relations.
(initial capital letter) a member or adherent of a communist or socialist International.

internationalist British

/ ˌɪntəˈnæʃənəlɪst /

noun

an advocate of internationalism
a person versed in international law
(capital) a member of an International

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of internationalist

First recorded in 1860–65; international + -ist

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

TR was conservative and progressive, internationalist and nationalist, conservationist and hunter.

From The Wall Street Journal • Dec. 12, 2025

Haass was referring to the more internationalist policies of President George H.W.

From Los Angeles Times • Mar. 27, 2023

Mr. Biden has worked with a set of strongly pro-American, internationalist leaders in Europe’s major capitals.

From New York Times • Sep. 26, 2022

As they watch their allies govern from afar, the Greens in the UK have been embracing the internationalist spirit of their origins.

From BBC • Jul. 26, 2022

But why not? the dispassionate internationalist may ask.

From The World Decision by Herrick, Robert

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023