adj
Uncommon
eighteenth
ay-TEENTH
Eighteenth (adj) means coming after seventeen others in a sequence; number 18 in an ordered list. Example: “This is the eighteenth chapter of the book.”
adj
1
Coming after seventeen others in a sequence; number 18 in an ordered list.
"This is the eighteenth chapter of the book."
noun
1
One of eighteen equal parts of something.
"Each slice was roughly an eighteenth of the whole pie."
2
(informal) A party celebrating someone's eighteenth birthday.
"She invited half her school to her eighteenth."
How to use eighteenth
Learner’s notesIn plain EnglishThe ordinal form of eighteen — eighteenth in line, or one part out of eighteen.
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Word forms
- Plural
- eighteenths
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This is the _____ chapter of the book.
Etymology
Inherited from Middle English eightetenthe or eightetethe, from Old English eahtatēoþa, from Proto-Germanic *ahtudô tehundô; equivalent to eighteen + -th, the ordinal suffix.
Synonyms
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18th
XVIIIth
Rhymes for eighteenth
See all rhymes for eighteenth →Frequently asked questions
What does “eighteenth” mean?
The word “eighteenth” means coming after seventeen others in a sequence; number 18 in an ordered list. In plain terms, the ordinal form of eighteen — eighteenth in line, or one part out of eighteen.
How do you pronounce “eighteenth”?
“Eighteenth” is pronounced ay-TEENTH (/ˌeɪˈtiːnθ/ in IPA).
How do you use “eighteenth” in a sentence?
Here is “eighteenth” used in a sentence: “This is the eighteenth chapter of the book.”
What is another word for “eighteenth”?
Words with a similar meaning to “eighteenth” include 18th and XVIIIth.
What part of speech is “eighteenth”?
Depending on how it is used, “eighteenth” can be an adjective and a noun.
Is “eighteenth” a common word?
“Eighteenth” is an uncommon word in modern English.
How many meanings does “eighteenth” have?
“Eighteenth” has 3 distinct senses listed in this dictionary. The most common is: coming after seventeen others in a sequence; number 18 in an ordered list.
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