noun \ˈā-tē\

: the number 80

eighties : the numbers ranging from 80 to 89

: a set of years ending in digits ranging from 80 to 89

plural eight·ies

Full Definition of EIGHTY

— see number table
plural :  the numbers 80 to 89; specifically :  the years 80 to 89 in a lifetime or century
eight·i·eth \ˈā-tē-əth\ adjective or noun
eighty adjective
eighty pronoun, plural in construction

Examples of EIGHTY

  1. The temperature rose to the high eighties.
  2. She is in her mid-eighties.

Origin of EIGHTY

Middle English eighty, adjective, from Old English eahtatig, short for hundeahtatig, noun, group of eighty, from hund-, literally, hundred + eahta eight + -tig group of ten; akin to Old English tīen ten
First Known Use: before 12th century

Rhymes with EIGHTY

EIGHTY Defined for Kids


adjective \ˈā-tē\

Definition of EIGHTY for Kids

:  eight times ten :  80



Definition of EIGHTY for Kids

:  being eight times ten
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears