ninety-ninth
adjectiveDefinition of ninety-ninth
(Entry 1 of 2)
1
: being number 99 in a countable series
the ninety-ninth day
— see Table of Numbers
2
: being one of 99 equal parts into which something is divisible
a ninety-ninth share of the money
ninety-ninth
noun
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Definition of ninety-ninth (Entry 2 of 2)
1
: number 99 in a countable series
2
: the quotient of a unit divided by 99 : one of 99 equal parts of something