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Definitions

number one

NOUN
most important person or thing
Synonyms
Antonyms
STRONGEST


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.

"It was so tense, not just for the players but for the people around me," former British number one Laura Robson, watching on Centre Court, said.

From BBC • Jul. 11, 2026

Rein Me In is Fender's first number one, while the pop-rock ballad is Dean's second chart-topper after the success of her single Man I Need.

From BBC • Jul. 10, 2026

She has always been my number one pop star, to this day, and I’ve never seen her perform.

From Los Angeles Times • Jul. 10, 2026

"It's not a secret that Kane is match-winner number one for England and Erling is match-winner number one for us," he added.

From BBC • Jul. 10, 2026

“I gotta go number one real bad,” Matthew said.

From "The Great Santini" by Pat Conroy




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