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belligerent

American  
[buh-lij-er-uhnt] / bəˈlɪdʒ ər ənt /

adjective

  1. warlike; given to waging war.

  2. of warlike character; aggressively hostile; bellicose.

    a belligerent tone.

    Synonyms:
    contentious, antagonistic, quarrelsome, combative, truculent, pugnacious
  3. waging war; engaged in war.

    a peace treaty between belligerent powers.

  4. pertaining to war or to those engaged in war.

    belligerent rights.


noun

  1. a state or nation at war.

  2. a member of the military forces of such a state.

belligerent British  
/ bɪˈlɪdʒərənt /

adjective

  1. marked by readiness to fight or argue; aggressive

    a belligerent tone

  2. relating to or engaged in a legally recognized war or warfare

"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

noun

  1. a person or country engaged in fighting or war

"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

Other Word Forms

  • belligerently adverb
  • interbelligerent adjective
  • unbelligerent adjective
  • unbelligerently adverb

Etymology

Origin of belligerent

First recorded in 1570–80; earlier belligerant, from Latin belligerant-, stem of belligerāns “waging war,” present participle of belligerāre “to wage war,” verb derivative of belliger “warlike,” from belli- (combining form of bellum, earlier duellum “war”; duel ( def. ) ) + ger(ere) “to carry, conduct, display”

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.

Colombo would follow the Hague Convention, the official added, noting it says that "a neutral power which receives on its territory troops belonging to the belligerent armies shall intern them".

From Barron's • Mar. 9, 2026

As Scotland's most belligerent ball carrier, it would enhance their chances if he is physically able to make an impact.

From BBC • Mar. 3, 2026

MILAN—It’s the bright, belligerent Winter Games showdown you could have hand-carved into Italian marble two weeks ago.

From The Wall Street Journal • Feb. 17, 2026

“The original narrative was Anastasio became belligerent, they subdued him and he died,” Frey said.

From Los Angeles Times • Jan. 9, 2026

He told about the burn, but with none of the belligerent arrogance with which he had been answering the questions kind people had put to him.

From "Johnny Tremain" by Esther Hoskins Forbes