sixty

American  

[siks-tee] / ˈsɪks ti /

noun

• sixties
  plural

1. a cardinal number, ten times six.

2. a symbol for this number, as 60 or LX.

3. a set of this many persons or things.

4. sixties, the numbers, years, degrees, or the like, from 60 through 69, as in referring to numbered streets, indicating the years of a lifetime or of a century, or noting degrees of temperature.

   Her grandfather is in his late sixties. The temperature is in the low sixties.

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adjective

1. amounting to 60 in number.

idioms

1. like sixty, with great speed, ease, energy, or zest.

   Everyone was working like sixty to finish up before the holidays.

sixty British  

/ ˈsɪkstɪ /

noun

1. the cardinal number that is the product of ten and six See also number

2. a numeral, 60, LX, etc, representing sixty

3. something represented by, representing, or consisting of 60 units

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determiner

1. 1. amounting to sixty

      sixty soldiers

   2. ( as pronoun )

      sixty are dead

Other Word Forms

Noun Inflected Forms

• sixties
  plural

Etymology

Origin of sixty

before 900; Middle English (adj. and noun), Old English sixtig (adj.); cognate with Dutch zestig, German sechzig, Old Norse sextigir. See six, -ty ¹

Example Sentences

See Examples For:

sixty sixties

In just over two months, the number of suspected cases of measles have reached over sixty thousand in Bangladesh, according to the health ministry.

From BBC ● May 27, 2026

For nearly sixty years, the tenets of the treaty have been respected by all nations.

From Salon ● Apr. 9, 2026

"For over sixty years, Bobby took to the road," the statement said.

From Barron's ● Jan. 11, 2026

To travel from Los Angeles to Sydney in sixty minutes, an aircraft would need to reach Mach 10.

From Science Daily ● Nov. 14, 2025

She walked all over that sixty acres, looking and looking.

From "Summer of the Monkeys" by Wilson Rawls

"We'll be facing gridlock and bottlenecks all over again," the business owner, in his sixties, told AFP.

From Barron's ● Aug. 12, 2026

In his early sixties, Rob Kaufman suffered a medical emergency that caused him to faint and hit his head on a wood floor, resulting in a traumatic brain injury.

From Barron's ● Jun. 15, 2026

John: “We’ve had the swinging sixties, and I was wondering, Mrs. Lennon, how you saw your place in the seventies?”

From Salon ● Dec. 23, 2025

Dear Liz: My husband’s parents, who are 88 and 93, respectively, have decided to leave their house, worth $800,000, equally, to their three children, who are all in their sixties.

From Los Angeles Times ● Jun. 8, 2025

In the sixties and seventies, during the social upheaval of freedom rides and cafeteria sit-ins and boycotts in Birmingham and marches on Selma, Odessa stood locked in time.

From "Friday Night Lights: A Town, A Team, And A Dream" by H.G. Bissinger