archrival

American  

[ahrch-rahy-vuhl] / ˈɑrtʃˈraɪ vəl /

noun

1. a chief rival.

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Etymology

Origin of archrival

arch- ¹ + rival

Explanation

An archrival isn't just an ordinary opponent — they're your biggest competition, like the supervillain to your superhero, always battling for the number one spot. The word archrival combines the prefix arch-, meaning "chief" or "principal," with rival to describe your fiercest competitor. In sports, the term refers to two teams or athletes with a long-standing rivalry, always pushing each other to improve. An archrival often represents the ultimate challenge in history or fiction, like a detective facing their most cunning opponent. While an archrival isn't necessarily a villain, they can be the biggest obstacle to achieving victory.

Example Sentences

Coach Greg Snyder praised the Mustangs for executing the game plan to near perfection but warned it may not be the last time they have to face their archrival.

From Los Angeles Times • Apr. 21, 2026

He didn’t expect it to come at the expense of archrival McDonald’s MCD 0.19%increase; green up pointing triangle .

From The Wall Street Journal • Mar. 7, 2026

Critics are calling on OpenAI employees to quit or put pressure on their leadership to support its archrival Anthropic.

From Barron's • Mar. 2, 2026

Pakistan's tariff rate of 19% is the lowest of any South Asian country - and significantly lower than that of its neighbouring archrival, India.

From BBC • Aug. 1, 2025

The occasion for all the hoopla was a big football game that night with Baton Rouge, their archrival.

From "Warriors Don't Cry: A Searing Memoir of the Battle to Integrate Little Rock's Central High" by Melba Pattillo Beals