Definition

1. Cardinal Number:

   • The number equivalent to the product of ten and six; the number 60. It follows fifty-nine and precedes sixty-one.
   • A symbol representing this number, such as 60 or LX.

2. Adjective:

   • Amounting to sixty in number.
   • Being ten more than fifty.

Examples of Usage

• As a Cardinal Number:
  • The recipe calls for sixty grams of sugar.
  • There are sixty seconds in a minute.
• As an Adjective:
  • She has collected sixty rare stamps.
  • The temperature reached sixty degrees Fahrenheit.

Advanced Usage

• The Sixties (plural noun): Refers to the years from 1960 to 1969 in a century, most commonly the 20th century.
  • My parents grew up in the sixties.
• In one's sixties (plural noun): Refers to the period of a person's life when they are aged between 60 and 69.
  • He learned to paint in his sixties.
• Sixty-something (adjective/noun, informal): Used to indicate an age between 60 and 69, or a person of that age.
  • A sixty-something entrepreneur started a new company.

Variants and Related Words

• Sixtieth (adjective): Constituting number sixty in a sequence; 60th.
  • This is my grandfather's sixtieth birthday.
• Sixtieth (noun): Each of sixty equal parts of something.
  • A sixtieth of the total revenue.
• Sixtyfold (adjective/adverb): Sixty times as much or as many.
  • The investment saw a sixtyfold increase.

Synonyms

• Three score (archaic/literary): An old term for sixty, based on the unit of a "score" (twenty).
  • The king reigned for three score years.

Related Phrases and Idioms

• Like sixty (idiom, informal/dated): With great speed, energy, or intensity.
  • He was running like sixty to catch the bus.
• Sixty-four-thousand-dollar question (idiom): A crucial or very difficult question. (Derived from the prize on a 1950s quiz show).
  • The sixty-four-thousand-dollar question is whether the new policy will work.

Adjective

1. being ten more than fifty

Noun

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