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internationalist

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

noun

  1. an advocate of internationalism.

  2. an expert in international law and relations.

  3. (initial capital letter) a member or adherent of a communist or socialist International.


internationalist British  
/ ˌɪntəˈnæʃənəlɪst /

noun

  1. an advocate of internationalism

  2. a person versed in international law

  3. (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.

Mr. Bennett and Mr. Hytner’s attempt to impose a modern internationalist message on this particular year feels foolish and clumsy.

From The Wall Street Journal • Dec. 24, 2025

It is quite another to suggest at an internationalist forum that a G7 ally, Canada, become a state of your nation, eliciting gasps in the audience, and not just from Canadians.

From BBC • Jan. 24, 2025

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

From Los Angeles Times • Mar. 27, 2023

But he was never the committed internationalist that some old-guard Republicans had wanted or imagined him to be.

From New York Times • Mar. 22, 2023

Grogoff was an internationalist Socialist and expressed his opinions at the top of his voice whenever he could find an occasion.

From The Secret City by Walpole, Hugh, Sir