twenty-first

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English[edit]

Adjective[edit]

twenty-first (not comparable)

  1. The ordinal form of the number twenty-one.

Abbreviations[edit]

21st, 21st, XXI

Translations[edit]

Noun[edit]

twenty-first (plural twenty-firsts)

  1. The person or thing in the twenty-first position.
  2. One of twenty-one equal parts of a whole, usually written \textstyle\frac{1}{21}.
  3. (informal) A party to celebrate a twenty-first birthday.

Synonyms[edit]

Translations[edit]

See also[edit]