[determiner], [pronoun], [adjective], [adverb] [not gradable], nounShe's an expert in nineteenth century industrial history."Which century was the cathedral built in?" "The nineteenth."At the end of the first round, he was (lying) nineteenth.(informal) In golf, the nineteenth hole is a bar where people go to socialize after they have finished a game.
NINETEENTH
Meaning of NINETEENTH in English
Cambridge English vocab. Кембриджский английский словарь. 2012