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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.

"The safety of our customers and our crew is our number one priority and we have zero tolerance for disruptive or threatening behaviour on our flights," a Qantas spokesperson told AFP on Sunday.

From Barron's • May 17, 2026

World number one Sinner has now won a record six Masters titles in a row after beating Norway’s Casper Ruud in the Rome final.

From BBC • May 17, 2026

He is still my number one for those reasons, but no-one has affected our game - at every level from children and parks football up - like Pep has.

From BBC • May 15, 2026

“The number one thing is trust. They trust somebody who’s dedicated to the ecosystem,” he said.

From The Wall Street Journal • May 14, 2026

By nightfall, this camp should be in A number one order.

From "The Great Santini" by Pat Conroy




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