eighteenth

[ ey-teenth ]

adjective

1. next after the seventeenth; being the ordinal number for 18.
2. being one of 18 equal parts.

noun

1. an eighteenth part, especially of one (1/18).
2. the eighteenth member of a series.

Word History and Origins

Origin of eighteenth¹

before 900; Middle English eightenthe, eightethe, Old English eahtatēotha. See eighteen + -th ²

Example Sentences

"Since women had no political position in the eighteenth century, I could not place this debate there," Wills told Salon.

From Salon

In the seventeenth and eighteenth centuries, these tunnels were used to store human remains from overcrowded cemeteries.

From Literature

“We can quickly draft an agreement placing Ms. Martinez in a supervised group home until her eighteenth birthday.”

From Literature

Tykes forward Devante Cole poked home from close range for his eighteenth league goal of the season to give the visitors a sixth-minute lead.

From BBC

The Garrick was founded in 1831, named after famous eighteenth century actor David Garrick.

From BBC