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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.

British number one Raducanu was dominant for most of the contest, winning the first eight games without reply before going on to complete a 6-0 6-3 victory over the Russian qualifier.

From BBC • Jun. 9, 2026

She is surely on course to break her major duck sometime soon and in California last Sunday it was only the brilliance of a dominant world number one that bettered the British star.

From BBC • Jun. 8, 2026

Expectation has followed Andreeva ever since her WTA Tour breakthrough at the 2023 Madrid Open, where her talent and fearlessness led to praise from Britain's former world number one Andy Murray.

From BBC • Jun. 6, 2026

Gold has become the number one asset in central banks reserves, thanks to a relentless rise in prices and continued buying from emerging market central banks, the head of next generation research says.

From The Wall Street Journal • Jun. 4, 2026

But I remember that from the beginning I wanted my culture to be number one and school to be number two—I would learn them both at the same time if I could.

From "Facing the Lion" by Joseph Lemasolai Lekuton and Herman Viola




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