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.

---

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

---

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

"Sixty grand, sixty grand Seamus Coleman, playing football the Everton way."

From BBC ● May 15, 2026

Dr. Ilko's conclusions are based on ten years of research that took her to more than twenty archives and over sixty Augustinian sites, including remote and difficult to access ruins.

From Science Daily ● Feb. 2, 2026

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

From Barron's ● Jan. 11, 2026

Two miles in, with sixty to go, my left foot crashed into a thick root and I tumbled forward.

From The Wall Street Journal ● Oct. 30, 2025

“Indian Tom had about sixty head he wanted to sell; all kinds—horses, mules, ponies, and even a few donkeys.”

From "Summer of the Monkeys" by Wilson Rawls

"This is the first time I am coming to Afghanistan," said Baloch, in her sixties.

From Barron's ● Jul. 3, 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

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

From BBC ● Nov. 26, 2025

The sixties have never really come to an end.

From "Middlesex: A Novel" by Jeffrey Eugenides