- twenty-first
- adjectivecoming next after the twentieth in position (Freq. 3)• Syn: ↑21st• Similar to: ↑ordinal
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I. \\| ̷ ̷ ̷ ̷| ̷ ̷\ adjective1. : being number 21 in a countable seriesthe twenty-first day
— see number table2. : being one of 21 equal parts into which something is divisibleII. nouna twenty-first share of the money
1. : number 21 in a countable seriesthe twenty-first of the month
2. : the quotient of a unit divided by 21 : one of 21 equal parts of somethingone twenty-first of the total
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/twen"tee ferrst", twun"-/, adj.1. next after the twentieth; being the ordinal number for 21.2. being one of 21 equal parts.n.3. a twenty-first part, esp. of one (1/21).4. the twenty-first member of a series.* * *
someone’s 21st birthday, when they often have a party to celebrate the fact that they have become a full adultThesaurus: birthdays and anniversarieshyponym* * *
a person's 21st birthday and the celebrations for this occasion•
She's having a party on her twenty-first.
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His parents gave him a car for his twenty-first.
Useful english dictionary. 2012.