eighteenth
Americanadjective
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next after the seventeenth; being the ordinal number for 18.
-
being one of 18 equal parts.
noun
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an eighteenth part, especially of one (1/18).
-
the eighteenth member of a series.
Etymology
Origin of eighteenth
before 900; Middle English eightenthe, eightethe, Old English eahtatēotha. See eighteen + -th 2
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Late in the eighteenth century, a German doctor, Franz Mesmer, had devised a system that cured illnesses by putting people into trances.
From Literature
The Dow Jones Industrial Average reached 48,500 points, marking its eighteenth record high of the year, reflecting market optimism.
From Barron's
The operation was scheduled for Monday, the eighteenth of June, but we didn’t tell the girls.
From Literature
It’s the negative image of an important intellectual movement of the seventeenth and eighteenth centuries, the Enlightenment, whose principles formed, among other things, the basis for American democracy.
From Salon
In the early eighteenth century, Georgia and Virginia used fines to penalize people for not voting.
From Salon
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
