First Known Use: before 12th century
Dictionary
fifty
noun fif·ty \ˈfif-tē\
: the number 50
fifties : the numbers ranging from 50 to 59
: a set of years ending in digits ranging from 50 to 59
plural fifties
Full Definition of FIFTY
1
— see number table
2
plural : the numbers 50 to 59; specifically : the years 50 to 59 in a lifetime or century
3
: a 50-dollar bill
— fif·ti·eth \-tē-əth\ adjective or noun
— fifty adjective
— fifty pronoun, plural in construction
— fif·ty·ish \-tē-ish\ adjective
See fifty defined for English-language learners
See fifty defined for kids
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Origin of FIFTY
Middle English, from fifty, adjective, from Old English fīftig, from fīftig, noun, group of 50, from fīf five + -tig group of ten; akin to tīen ten
FIFTY Defined for Kids
1fifty
adjective fif·ty \ˈfif-tē\
Definition of FIFTY for Kids
: being five times ten
2fifty
noun
Definition of FIFTY for Kids
: five times ten : 50
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