a variable or value that cannot be changed once it has been assigned a value, a keyword used in programming languages to declare a variable as constant

constantly, constant speed, constant reminder

Formal and Informal Expressions of const

In different contexts, you can replace 'const' with suitable alternatives. In a more formal setting, 'constant, immutable' is apt. In informal speech or writing, 'unchangeable, fixed' is a commonplace synonym.

const: Explore its Definition & Usage

const Definition

1a variable or value that cannot be changed once it has been assigned a value
2a keyword used in programming languages to declare a variable as constant

Using const: Examples

Take a moment to familiarize yourself with how "const" can be used in various situations through the following examples!

Example
In JavaScript, you can declare a constant using the 'const' keyword.
Example
The value of pi is a mathematical constant.
Example
The speed of light is a physical constant.
Example
The 'const' keyword is used to declare a variable whose value cannot be changed.

const Synonyms and Antonyms

Synonyms for const

immutable
fixed
constant
unchangeable
invariable

Antonyms for const

Phrases with const

constantly
continuously or regularly occurring
Example
She was constantly checking her phone for messages.
constant speed
a speed that does not change
Example
The car was traveling at a constant speed of 60 miles per hour.
constant reminder
something that reminds you of something else all the time
Example
The old photograph was a constant reminder of her childhood.

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Summary: const in Brief

The term 'const' [kɒnst] refers to a variable or value that cannot be changed once assigned, and is a keyword used in programming languages to declare a variable as constant. It is often used in mathematics and physics to denote unchanging values, such as the value of pi or the speed of light.