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nine·ti·eth

ninetieth

 
pronunciation:
naIn ti ihth
parts of speech:
adjective, noun
part of speech: adjective
definition: coming next after the eighty-ninth in a series.
He hit a home run to win the ninetieth game of the season.
 
part of speech: noun
definition 1: one of ninety equal parts of a whole; 1/90.
Our car broke down after getting only about a ninetieth of the way there.
definition 2: the number, person, or thing that comes next after the eighty-ninth in a series.
The race car driver took one last victory lap after the ninetieth.