number one
Americannoun
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oneself, especially one's own well-being or interests.
to look out for number one.
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a person, company, etc., that is first in rank, order, or prestige.
Our team is number one.
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urination: used especially by or with reference to children.
adjective
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of the highest in quality, status, importance, etc.; first-rate.
a number one performance.
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first in rank, order, or prestige.
the number one book on the bestseller list.
idioms
noun
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the first in a series or sequence
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an informal phrase for oneself myself
to look after number one
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informal the most important person; leader, chief
he's number one in the organization
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informal the bestselling pop record in any one week
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euphemistic the act or an instance of urination
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a haircut in which the hair is cut very close to the head with an electric shaver
adjective
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first in importance, urgency, quality, etc
number one priority
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informal (of a pop record) having reached the top of the charts
Etymology
Origin of number one
First recorded in 1830–40
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.
She also won best album for her transatlantic hit, The Art of Loving, as well as song of the year for her current number one collaboration with Fender, Rein Me In.
From BBC
Donnelly said before the crash "life didn't get any better" - he had just signed to be his team's number one driver.
From BBC
British number one Jack Draper suffered a second-round loss to Frenchman Arthur Rinderknech on his return to the ATP Tour at the Dubai Tennis Championships.
From BBC
World number one Scottie Scheffler made a flying finish with his 65 seeing him recover from his bad start on Thursday to finish in joint 12th.
From BBC
Debuting in third place with $8 million was Lionsgate's "I Can Only Imagine 2," a sequel about the singer who wrote and performed the number one Christian single of all time.
From Barron's
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
