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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.

Former world number one Medvedev generally hits flatter with his groundstrokes, meaning the ball stays lower on the clay and allows his opponents to return more comfortably.

From BBC • May 26, 2026

The Italian number one is the heaviest favourite since Nadal in his pomp after clay-court title wins in Monte Carlo, Madrid and Rome.

From BBC • May 26, 2026

Up next for world number one Sinner is Argentina's 56th-ranked Juan Manuel Cerundolo, who knocked out Great Britain's Jacob Fearnley on Tuesday.

From BBC • May 26, 2026

The former world number one will face Croatia's Donna Vekic in the next round.

From BBC • May 26, 2026

But out of nowhere, one of the biggest, most popular scrolls ran a list of “27 Accounts to Make Your Day Brighter,” with mine in the number one slot.

From "Bye Forever, I Guess" by Jodi Meadows




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