sixtieth

American  

[siks-tee-ith] / ˈsɪks ti ɪθ /

adjective

1. next after the fifty-ninth; being the ordinal number for 60.

2. being one of 60 equal parts.

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noun

1. a sixtieth part, especially of one (1/60).

2. the sixtieth member of a series.

sixtieth British  

/ ˈsɪkstɪəθ /

adjective

1. (usually prenominal)

   1. being the ordinal number of sixty in numbering or counting order, position, time, etc: often written 60th

   2. ( as noun )

      the sixtieth in a row

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noun

1. 1. one of 60 approximately equal parts of something

   2. ( as modifier )

      a sixtieth part

2. the fraction equal to one divided by 60 ( 1/ 60 )

Etymology

Origin of sixtieth

before 1000; Middle English sixtithe, sixtiaghte, Old English sixtighetha, sixteoghotha; see sixty, -eth ²

Example Sentences

The three are gathering this weekend in Las Vegas for the big game, and they’re hoping they can all make it to the sixtieth edition of the game two years from now.

From Seattle Times • Feb. 9, 2024

In 1885, it decreed that all enslaved people would be free when they reached their sixtieth birthdays.

From Textbooks • Dec. 14, 2022

He said his father owned one-one hundred sixtieth of some gas reserves and he might eventually benefit from the bill when he inherits that gas.

From Salon • Dec. 10, 2018

On the occasion of my sixtieth birthday, my friend Lenny visited me from Toronto.

From The New Yorker • Oct. 10, 2018

On January 9, Nixon’s sixtieth birthday, Kissinger cabled the news to Washington.

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin