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Adjective:
twenty-first
'twen-tee'furst
Coming
next
after the
twentieth
in
position
"He
explains
how the
flattening
of the
world
happened
at the
dawn
of the twenty-first
century
";
-
21st
See also:
ordinal
twelve-tone system
twenties
twentieth
twentieth century
twenty
twenty dollar bill
twenty percent
twenty-eight
twenty-eighth
twenty-fifth
twenty-first
twenty-five
twenty-five percent
twenty-four
twenty-four hour period
twenty-four hours
twenty-fourth
twenty-nine
twenty-ninth
twenty-one
twenty-second