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

Examples of SIXTY

  1. He retired when he was in his sixties.

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
First Known Use: 14th century

Browse

Next Word in the Dictionary: sixty–eight (adjective)Previous Word in the Dictionary: SixtineAll Words Near: sixty
May 26, 2015
sacrilegious Hear it
grossly irreverent
Take a 3-minute break and test your skills!
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