Constant

/ˈkɒnstənt/

Meaning & Definition

noun
A situation or state that does not change.
In mathematics, the value of pi is considered a mathematical constant.
A fixed value or quantity in mathematics or science.
The speed of light in a vacuum is a fundamental constant of nature.
adjective
Occurring continuously over a period of time.
He is a constant source of inspiration to everyone around him.
Not changing or varying; uniform.
The temperature in the lab must remain constant to ensure accurate results.
Faithful and dependable; steadfast.
She has been a constant friend through all of life's ups and downs.

Etymology

Derived from Latin 'constans', meaning 'standing firm, steadfast'.

Common Phrases and Expressions

constant motion
A state of continuous movement.
constant gardener
A person who tends to a garden regularly, often pulling weeds.
constant companion
A person or thing that is always with someone.
constant pressure
A situation where one faces continuous stress or weight.
constant reminder
Something that serves as an ongoing notice of something else.

Related Words

consistency
The quality of always behaving or performing in a similar way.
stable
Not likely to change or fail; firmly established.
perpetual
Never ending or changing, ongoing indefinitely.

Slang Meanings

Something that is always reliable.
In my life, coffee is my constant; I can't start my day without it.
An ongoing thing that never changes.
Her love for that band is constant; she goes to their concerts every time.