2K

VAR

UK //vɑːr//US //vær//

Definition

A symbol or name representing a value that can change.

In simple words: A way to describe or store information that can change.

Examples

In programming, you declare a variable using the keyword 'var'.
The value of the var can be updated at any time.
Mathematics often uses 'var' to represent unknown quantities.
Different programming languages may have different ways to define a var.
You need to specify the type of data for the var in some languages.

Usage notes

Used primarily in programming and mathematics. Avoid in casual conversation unless discussing technology or programming.

Grammar pattern

noun

Memory hint

Think of 'var' as 'variable' - information that can vary or change.

Collocations

declare var
assign value to var
use var
define var

Synonyms

variable
placeholder
symbol

Common mistakes

Confused with 'various' as they sound similar.
Incorrectly using 'var' outside of programming contexts.
Mistaking 'var' for a similar-sounding term like 'very'.