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twenty-first

[ twen-tee-furst, twuhn- ]
/ ˈtwɛn tiˈfɜrst, ˈtwʌn- /
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adjective
next after the twentieth; being the ordinal number for 21.
being one of 21 equal parts.
noun
a twenty-first part, especially of one (1/21).
the twenty-first member of a series.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use twenty-first in a sentence

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