📖 Definitions of "Number one"
noun
- 1
The most important person, the one who is in charge.
- 2
Someone who is top of a ranking, who is ranked first.
- 3
Oneself, being considered foremost, as by an egoist.
- 4
Urine; urination.
adjective
- 1
First; foremost; best, often used after its headword.
"Commuting to work is the number one reason to own a car."
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