eighteen

[ey-teen]

noun

1. a cardinal number, ten plus eight.

2. a symbol for this number, as 18 or XVIII.

3. a set of this many persons or things.

adjective

1. amounting to 18 in number.

eighteen

/ ˈeɪˈtiːn /

noun

1. the cardinal number that is the sum of ten and eight and the product of two and nine See also number

2. a numeral, 18, XVIII, etc, representing this number

3. the amount or quantity that is eight more than ten

4. something represented by, representing, or consisting of 18 units

5. (functioning as singular or plural) a team of 18 players in Australian Rules football

determiner

1. 1. amounting to eighteen

      eighteen weeks

   2. ( as pronoun )

      eighteen of them knew

Word History and Origins

Origin of eighteen¹

before 1000; Middle English ehtetene, Old English eahtatēne; cognate with Old Norse āttjān, German achtzehn. See eight, -teen

Word History and Origins

Origin of eighteen¹

Old English eahtatēne; related to Old Norse attjan, Old High German ahtozehan

Example Sentences

We counted eighteen French gendarmes watching them from the shore, declining to intervene.

From BBC

On the second day of the truce, Ukraine said there had been nearly 200 clashes along the front line, eighteen Russian air strikes and almost four thousand instances of shelling by Russian troops.

From BBC

Nearly eighteen months after her most recent post, Lilly is in a different headspace.

From BBC

Over the past eighteen months or so he grew out his hair; he replaced his hoodies with boxy tees; he got really into M.M.A. and wakeboarding.

From Salon

He travelled eighteen miles but only after ejecting every loose object from the balloon to enable it to launch.

From Salon