First Known Use: 14th century
Dictionary
sixty
noun six·ty \ˈsiks-tē\
: the number 60
sixties : the numbers ranging from 60 to 69
: a set of years ending in digits ranging from 60 to 69
plural sixties
Full Definition of SIXTY
1
— see number table
2
plural : the numbers 60 to 69; specifically : the years 60 to 69 in a lifetime or century
— six·ti·eth \ˈsiks-tē-əth\ adjective or noun
— sixty adjective
— sixty pronoun, plural in construction
— six·ty·ish \ˈsiks-tē-ish\ adjective
See sixty defined for English-language learners
See sixty defined for kids
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Origin of SIXTY
Middle English, from sixty, adjective, from Old English siextig, noun, group of sixty, from siex six + -tig group of ten; akin to Old English tīen ten
SIXTIES Defined for Kids
1sixty
adjective six·ty \ˈsik-stē\
Definition of SIXTY for Kids
: being six times ten
2sixty
noun
Definition of SIXTY for Kids
: six times ten : 60
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