eighteen
0 synonyms and 0 antonyms for eighteen, grouped by meaning and by how common each one is.
Num — The number 18, one more than seventeen.
We haven't recorded synonyms for eighteen yet. You can still read its full definition, or words that rhyme with it.
How to use eighteen
The word patterns that sound natural to a native speaker.
Frequently asked questions
What does “eighteen” mean?
The word “eighteen” means the number 18, one more than seventeen. In plain terms, the number after seventeen — also the common legal age of adulthood in many countries.
How do you pronounce “eighteen”?
“Eighteen” is pronounced AY-teen (/ˈeɪ(t).tin/ in IPA).
How do you use “eighteen” in a sentence?
Here is “eighteen” used in a sentence: “You have to be eighteen to vote in most countries.”
What part of speech is “eighteen”?
“Eighteen” is a num.
Is “eighteen” a common word?
“Eighteen” is a fairly common word in modern English, usually learned at around the A1 level.
How do you write eighteen as a numeral?
Eighteen is written as the numeral 18, representing one more than seventeen. It is the cardinal number used to count a quantity of eighteen items.
When should eighteen be spelled out versus written as 18?
In formal writing, style guides generally recommend spelling out numbers below 100, including eighteen, especially at the start of a sentence, while numerals like 18 are common in informal writing, data, tables, and technical contexts. Consistency within a piece of writing is usually more important than a single fixed rule.
What is the ordinal form of eighteen?
The ordinal form of eighteen is eighteenth, used to indicate position in a sequence, such as 'the eighteenth of the month' or 'her eighteenth birthday.' Eighteen itself is a cardinal number, used purely for counting quantity.