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.

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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

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noun

1. a person or country engaged in fighting or war

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”; cf. duel ( def. )) + ger(ere) “to carry, conduct, display”

Explanation

If someone is belligerent, they're eager to fight. It's a good idea to avoid hardcore hockey fans after their team loses — they tend to be belligerent. Belligerent comes from the Latin word bellum, for "war." You can use it to talk about actual wars — the nations taking part in a war are called belligerents — but usually belligerent describes a psychological disposition. If you're running a school for aggressive boys, do plenty of arts and crafts to prevent them from becoming too belligerent. The stress is on the second syllable: bə-LIJ-ə-rənt.

Example Sentences

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

In 2016’s The Mandibles, she created a character whom she described as a “pure piss-take” of herself: belligerent, tactless, a maniacal exerciser–the Ur-Boomer, utterly self-absorbed and an unalloyed financial disaster for society.

From The Wall Street Journal • Jan. 31, 2026

Pezeshkian meanwhile said the success of diplomacy depended on the "goodwill of the parties involved and the abandonment of belligerent and threatening actions in the region," his office said.

From Barron's • Jan. 30, 2026

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

From Los Angeles Times • Jan. 9, 2026

The room tone is as belligerent as a classroom in an alternative high school.

From "Challenger Deep" by Neal Shusterman

Related Words

• aggressive
• antagonistic
• bellicose
• combative
• contentious
• hostile
• ornery
• quarrelsome