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.

eighteen

The cardinal number that follows seventeen.

eighth

Indicating the ordinal number for eight.

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

He's turning eighteen this weekend.