number one
Definitions: 1. (the) most important or best 2. oneself
Examples: 1. Our number one priority is to reduce poverty. ○ This travel agency is number one. 2. All he ever thinks about is looking after number one.
Usage note: informal idiom
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Definitions: 1. (the) most important or best 2. oneself
Examples: 1. Our number one priority is to reduce poverty. ○ This travel agency is number one. 2. All he ever thinks about is looking after number one.
Usage note: informal idiom