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No. 1

American  
[nuhm-ber wuhn] / ˈnʌm bər ˈwʌn /

noun

  1. number one.


Etymology

Origin of No. 1

First recorded in 1595–1605

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.

No. 1 seed Arizona reached the Final Four with a 79-64 victory over No. 2 Purdue, validating its strategy of de-emphasizing 3-pointers.

From The Wall Street Journal • Mar. 29, 2026

Now the TikTok countdown is on before final exams in Phoenix, where redemption and legacy and a rematch await with either winner of the No. 1 Texas vs.

From Los Angeles Times • Mar. 29, 2026

He was never going to be a threat to return to World No. 1, but on any given weekend, could Tiger be Tiger again?

From The Wall Street Journal • Mar. 29, 2026

Redondo Union didn’t care that Mira Costa’s volleyball team was ranked No. 1 in California.

From Los Angeles Times • Mar. 26, 2026

Kappe had lived in America for a dozen years, where he was referred to as "the No. 1 Nazi in the United States" before he was deported in 1939.

From Nazi Saboteurs by Samantha Seiple