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

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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

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Example Sentences

See Examples For:

sixty sixties

After leading Berkshire for more than sixty years, the legendary “Oracle of Omaha” announced his retirement as chairman in a letter to investors.

From The Wall Street Journal ● Sep. 18, 2026

The relevant piece of US law, the decades-old War Powers Resolution, makes certain requirements of a president "within sixty calendar days" of their use of US armed forces within a combat.

From BBC ● May 1, 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

So if it only has sixty knots in one centimeter of carpet, then you’d see that rug on the floor of a tea house in the bazaar, and you’d be welcome to step on it.

From "Everything Sad Is Untrue" by Daniel Nayeri

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

There were plenty of British title winners in the sixties in what was a very British sport, but the softly spoken Surtees stood out as an international talent.

From BBC ● Dec. 8, 2025

Ms Poon, another resident of Wang Fuk Court, who is in her sixties, asked.

From BBC ● Nov. 26, 2025

Grandma had been only in her sixties, and most people in her family lived until they were about a hundred.

From "The Glass Castle" by Jeannette Walls

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