English noun: number one |
1. | number one (person) a reference to yourself or myself etc.; `take care of number one' means to put your own interests first |
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| Broader (hypernym) | self |
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| Domain usage | colloquialism |
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2. | number one the first or highest in an ordering or series |
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| Samples | He wanted to be the first.
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| Synonyms | first |
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| Broader (hypernym) | rank |
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| Narrower (hyponym) | former |
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3. | number one (quantity) the first element in a countable series |
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| Samples | The first of the month.
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| Synonyms | first, number 1 |
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| Broader (hypernym) | no., ordinal, ordinal number |
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