C1noun1K

Variable

UK /["/ˈveəriəbl/"]/US /["/ˈveriəbl//ˈværiəbl/"]/

Definition

a situation, number or quantity that can vary or be varied

In simple words: Something that can change or vary.

Examples

With so many variables, it is difficult to calculate the cost.
The temperature remained constant while pressure was a variable in the experiment.

Usage notes

Used in both academic and everyday contexts. Common in science and statistics. Avoid informal settings where simpler words might be more appropriate.

Grammar pattern

variable + noun

Memory hint

Think of 'vary' in 'variable' — it means 'changeable'.

Collocations

independent variable
dependent variable
control variable
variable cost

Synonyms

factor
element
parameter
modifier
component

Antonyms

constant
fixed

Common mistakes

Confused with 'vary' — remember 'variable' is a noun.
Using 'variables' in singular contexts when referring to multiple items.
Mispronouncing the word, often forgetting the second 'a'.