twenty-first

Adjective

(not comparable)

The ordinal form of the number twenty-one.

Abbreviations

21st, 21^st, XXI

Noun

(plural twenty-firsts)

The person or thing in the twenty-first position.
One of twenty-one equal parts of a whole, usually written .
(informal) A party to celebrate a twenty-first birthday.

English Wiktionary. Available under CC-BY-SA license.

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MLA Style

"twenty-first." YourDictionary, n.d. Web. 07 June 2019. <https://www.yourdictionary.com/twenty-first>.

APA Style

twenty-first. (n.d.). Retrieved June 07th, 2019, from https://www.yourdictionary.com/twenty-first

Also Mentioned In

WORDS NEAR twenty-first IN THE DICTIONARY