Eighteenth

/ˌeɪˈtɪnθ/

Meaning & Definition

noun

one of eighteen equal parts; the number after seventeenth.

He cut the cake into eighteenth slices for the guests.

the position in a sequence corresponding to the number eighteen.

She finished in eighteenth place during the race.

adjective

constituting number eighteen in a sequence; 18th.

She celebrated her eighteenth birthday with a big party.

relating to the eighteenth item or part.

The eighteenth chapter of the book was particularly exciting.

Derived from the combination of 'eight' and the suffix '-teenth', indicating the ordinal position.

eighteenth amendment:

The amendment to the United States Constitution that established the prohibition of alcohol.

eighteenth century:

Refers to the period from the year 1701 to 1800.

The term used to represent the number eighteen in casual conversation.

He's turning eighteen this weekend.