First Known Use: before 12th century
Dictionary
eighty
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
1
— see number table
2
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
See eighty defined for English-language learners
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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
EIGHTY Defined for Kids
1eighty
adjective \ˈā-tē\
Definition of EIGHTY for Kids
: eight times ten : 80
2eighty
noun
Definition of EIGHTY for Kids
: being eight times ten
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