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antiwar

American  
[an-tee-wawr, an-tahy-] / ˌæn tiˈwɔr, ˌæn taɪ- /

adjective

  1. against war or a particular war.

    the antiwar movement of the 1960s.


antiwar British  
/ ˌæntɪˈwɔː /

adjective

  1. opposed to war

    the antiwar movement

"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 antiwar

anti- + war 1

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.

Woodrow Wilson jailed war critics, put enemy aliens under tight constraints, and prohibited the dissemination of antiwar materials through the mail.

From The Wall Street Journal • Mar. 30, 2026

Surrounded by dancers, the Italian rapper Ghali read an antiwar poem by Gianni Rodari.

From Los Angeles Times • Feb. 6, 2026

His sardonically bouncy song “Vietnam,” from his self-titled album released in 1969, was said to have been Bob Dylan’s favorite antiwar song.

From The Wall Street Journal • Nov. 24, 2025

No Sir!, both veterans and active-duty personnel formed an important part of the antiwar movement.

From Slate • Apr. 30, 2025

On January 8, 1973, Daniel Ellsberg was given a standing ovation when he spoke at an antiwar rally in Los Angeles.

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin