English edit

English numbers (edit)
 ←  17 18 19  → 
    Cardinal: eighteen
    Ordinal: eighteenth
    Adverbial: eighteen times
    Multiplier: eighteenfold
    Group collective: eighteensome

Etymology edit

From Middle English eiʒtenþe, from Old English eahtatēoþa, from Proto-Germanic *ahtudô tehundô.

Pronunciation edit

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

Adjective edit

eighteenth

  1. The ordinal form of the number eighteen.

Synonyms edit

Derived terms edit

Translations edit

Noun edit

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 edit

Translations edit