Meaning & Definition of word "Variable"

Variable

/ˈvɛr.i.ə.bəl/

noun:

  • 1. A quantity or condition that can change or vary.
    • Example: In the equation, x is the variable representing the unknown value.
  • 2. A symbol used in mathematics and programming to represent a value that can change.
    • Example: The variable 'count' was used to track the number of iterations in the loop.
  • 3. In statistics, a characteristic or attribute that can take on different values among subjects.
    • Example: Age is a variable that can affect the results of the study.

adjective:

  • 1. Able to change or vary; not fixed or constant.
    • Example: The weather is variable, changing from sunny to rainy within minutes.
  • 2. Subject to change; unpredictable.
    • Example: The variable nature of his work schedule made planning difficult.

Etymology

From Latin 'variabilis', meaning 'changeable'.

Common Phrases and Expressions

variable rate:

A rate that can change over time.

variable costs:

Costs that vary with production volume.

independent variable:

A variable in an experiment that is manipulated to test its effects.

Related Words

variation:

A change or difference in condition, amount, or level.

vary:

To differ in size, amount, degree, or nature.

Slang Meanings of variable

Meaning: Something unpredictable or inconsistent.

Example Sentence: The project's timeline is so variable; we can't be sure when it will finish.

Meaning: A factor subject to change.

Example Sentence: My schedule this week is totally variable; I can't commit to plans.