champion

¹ American  

[cham-pee-uhn] / ˈtʃæm pi ən /

noun

1. a person who has defeated all opponents in a competition or series of competitions, so as to hold first place.

   the heavyweight boxing champion.

   Synonyms:

   victor, winner

   Antonyms:

   loser

2. anything that takes first place in competition.

   the champion of a cattle show.

3. an animal that has won a certain number of points in officially recognized shows.

   This dog is a champion.

4. a person who fights for or defends any person or cause.

   a champion of the oppressed.

   Synonyms:

   protector, defender

5. a fighter or warrior.

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verb (used with object)

1. to act as champion of; defend; support.

   to champion a cause.

   Synonyms:

   advocate, maintain

2. Obsolete. to defy.

adjective

1. first among all contestants or competitors.

2. Informal. first-rate.

Champion ² American  

[cham-pee-uhn] / ˈtʃæm pi ən /

noun

1. Gower 1921–80, U.S. choreographer.

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champion British  

/ ˈtʃæmpɪən /

noun

1. 1. a person who has defeated all others in a competition

      a chess champion

   2. ( as modifier )

      a champion team

2. 1. a plant or animal that wins first place in a show, etc

   2. ( as modifier )

      a champion marrow

3. a person who defends a person or cause

   champion of the underprivileged

4. (formerly) a warrior or knight who did battle for another, esp a king or queen, to defend their rights or honour

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adjective

1. dialect first rate; excellent

adverb

1. dialect very well; excellently

verb

1. to support; defend

   we champion the cause of liberty

Other Word Forms

• championless adjective
• championlike adjective
• nonchampion noun
• prechampioned adjective
• unchampioned adjective

Etymology

Origin of champion

First recorded in 1175–1225; Middle English, from Old French, from Late Latin campiōn-, stem of campiō “combatant in an arena duel,” from West Germanic kampiōn- (unrecorded); equivalent to Latin camp(us) “field, battlefield” + -iō, noun suffix; compare Old English cempa “warrior”

Example Sentences

One year’s national champion, once picked over, can become the next season’s also-ran.

From The Wall Street Journal • Apr. 3, 2026

That led to an angry reaction from the world champion, who gestured for the Dutchman to get on with it.

From BBC • Apr. 2, 2026

Shares in U.S. memory champion Micron Technology joined its Korean rivals’ plunge, falling 20% from a mid-March peak.

From Barron's • Apr. 2, 2026

Even Nvidia, the undisputed champion of artificial intelligence chipmaking and the beating heart of the broader AI boom, has slumped 18% since the tech trade turned sour last autumn.

From Barron's • Apr. 2, 2026

The story, which helped Canetti earn the Nobel Prize in literature, includes a character named Fischerele who aspires to become chess champion of the world.

From "Endgame" by Frank Brady

Related Words

• challenger
• champ
• defender
• hero
• medalist
• number one
• winner