ninety-first

[ nahyn-tee-furst ]
/ ˈnaɪn tiˈfɜrst /

adjective

next after the ninetieth; being the ordinal number for 91.
being one of 91 equal parts.

noun

a ninety-first part, especially of one (1/91).
the ninety-first member of a series.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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