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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.

While the world number one could not add to the tally, he largely demonstrated the consistency for which is he famed to eke out a solid, if unspectacular 70.

From BBC • Apr. 9, 2026

"When the players left, they violated the number one rule, which is to protect the sponsors," said the 1977 and 1981 Masters champion.

From BBC • Apr. 9, 2026

“Even though that would be fun for you, my number one job is to protect you,” she explains to her daughter.

From The Wall Street Journal • Apr. 5, 2026

“The value of the interim housing, number one, is to save lives,” Bass said.

From Los Angeles Times • Apr. 5, 2026

Her laugh, which is wonderful, is now number one on my list of good sounds.

From "Muffled" by Jennifer Gennari