Definition, Meaning & Synonyms
eighteen
numeral
/ˈeɪˌtiːn/

Definition
The number following seventeen and preceding nineteen.

Examples
- She celebrated her eighteenth birthday last week.
- To vote in most countries, you must be at least eighteen years old.
- There are eighteen holes on an official golf course.

Meaning
Eighteen represents a quantity that is two more than sixteen and one less than nineteen. It is often used to refer to age in contexts where one reaches adulthood in various cultures.

Synonyms
- 18