American Dictionary

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Definition sixties in American English

sixties noun

[plural] noun
/ˈsɪkstiz/
1

the years from 1960 to 1969

Example

music from the sixties

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2

a temperature in the sixties is between 60 and 69 degrees Fahrenheit

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3

aged between 60 and 69

Example

a woman in her sixties

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Definition sixties in American English