Meaning & Definition of word "Ninety"

Ninety

/ˈnaɪnti/

numeral:

  • 1. The number following eighty-nine and preceding ninety-one; it is equal to 90.
    • Example: She turned ninety years old last month.
  • 2. A numeral representing the quantity of ninety.
    • Example: There are ninety students enrolled in the course.
  • 3. Ninety as an adjective refers to something that is related to the number ninety.
    • Example: The ninety dollars spent on the dinner was worth it.
  • 4. Ninety can also refer to degrees in a circle, indicating a right angle.
    • Example: The angle measures ninety degrees.

Etymology

Middle English 'nineti', from Old English 'nigon' (nine) + '-ty' (a form denoting a group of ten).

Common Phrases and Expressions

Ninety days:

A period of ninety days, often used in contracts.

Ninety percent:

A percentage often used to denote a majority or significant portion.

Related Words

nineteen:

The number following eighteen.

eighty:

The number preceding ninety.

Slang Meanings of ninety

Meaning: Ninety as a reference to age.

Example Sentence: He’s got the wisdom of ninety years.

Meaning: Ninety as a reference to a significant amount or percentage.

Example Sentence: She's got ninety upvotes!