Examples of “eighteenth” in a Sentence

adj Coming after seventeen others in a sequence; number 18 in an ordered list.

• This is the eighteenth chapter of the book.
• She finished in eighteenth place out of thirty runners.
• It is the eighteenth day of the month.

noun One of eighteen equal parts of something.

• Each slice was roughly an eighteenth of the whole pie.
• Cut the cake so each guest gets an eighteenth.
• He owns only an eighteenth of the family land.

noun (informal) A party celebrating someone's eighteenth birthday.

• She invited half her school to her eighteenth.
• My brother is having his eighteenth at a hall this Saturday.
• We danced all night at Mia's eighteenth.