( number ones)
1.
Number one means better, more important, or more popular than anything else of its kind. ( INFORMAL )
The economy is the number one issue by far...
By the way, I’m your number-one fan.
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2.
In popular music, the number one is the best selling CD in any one week, or the group or person who has made that CD. ( INFORMAL )
Paula is the only artist to achieve four number ones from a debut album.
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