eighteenth

English

English numbers (edit)
 ←  17 18 19  → 
    Cardinal: eighteen
    Ordinal: eighteenth
    Abbreviated ordinal: 18th

Etymology

From Middle English eiȝtenþe, from Old English eahtatēoþa, from Proto-Germanic *ahtudô tehundô. Equivalent to eighteen +‎ -th (ordinal suffix).

Pronunciation

  • IPA(key): /ˌeɪˈtiːnθ/
  • Audio (US):(file)
  • Rhymes: -iːnθ
  • Hyphenation: eigh‧teenth

Adjective

eighteenth

  1. The ordinal form of the number eighteen.

Synonyms

eighteenth

Derived terms

Translations

Noun

eighteenth (plural eighteenths)

  1. The person or thing in the eighteenth position.
  2. One of eighteen equal parts of a whole.
  3. (informal) A party to celebrate an eighteenth birthday.

Synonyms

Translations