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.

Example sentences from the Web for ninety-first