twenty-first

[ twen-tee-furst, twuhn- ]

adjective

1. next after the twentieth; being the ordinal number for 21.
2. being one of 21 equal parts.

noun

1. a twenty-first part, especially of one (1/21).
2. the twenty-first member of a series.

Example Sentences

At half past six on the twenty-first of June 1922, when Count Alexander Ilyich Rostov was escorted through the gates of the Kremlin onto Red Square, it was glorious and cool.

From Los Angeles Times

For twenty-first century readers, to be drawn and quartered is a particularly gruesome manner of death.

From Salon

"We find that rapid ocean warming, at approximately triple the historical rate, is likely committed over the twenty-first century, with widespread increases in ice-shelf melting, including in regions crucial for ice-sheet stability," the authors write.

From Salon

"Donald Trump's tweets, often delivered between midnight and dawn, are the twenty-first century's technological embodiment of Hitler's free plastic radios," Neuborne says.

From Salon

If current smoking patterns do not change, by the end of the twenty-first century ten times as many people will have died from smoking as during the whole of the twentieth century.

From Scientific American