Synonyms of constant

constant

adjective

ˈkän(t)-stənt 

1

as in steady

not undergoing a change in condition

change is the only constant thing in the world of fashion

Synonyms & Similar Words

• steady
• unchanging
• stable
• unchangeable
• enduring
• stationary
• unvarying
• fixed
• invariable
• changeless
• lasting
• permanent
• continuing
• immutable
• on an even keel
• unalterable
• ceaseless
• durable
• inflexible
• established
• fast
• settled
• hard-and-fast
• set

Antonyms & Near Antonyms

• volatile
• unpredictable
• uncertain
• changing
• variable
• unstable
• varying
• fluid
• fluctuating
• capricious
• inconstant
• mercurial
• fickle
• unsettled
• unsteady
• flexible
• transient
• adaptable
• momentary
• changeable
• mutable
• transitory
• fleeting
• changeful
• ephemeral
• evanescent
• skittish
• alterable
• kaleidoscopic
• phantasmagoric

2

as in frequent

appearing or occurring repeatedly from time to time

I get constant headaches during humid weather

Synonyms & Similar Words

• frequent
• periodic
• regular
• repeated
• steady
• continual
• periodical
• habitual
• recurrent
• intermittent
• recurring
• cyclic
• chronic
• hourly
• usual
• round-the-clock
• confirmed
• around-the-clock
• expected
• inveterate
• 24-7

Antonyms & Near Antonyms

• infrequent
• occasional
• irregular
• unusual
• inconstant
• unexpected
• episodic

3

as in steadfast

firm in one's allegiance to someone or something

constant friends during times both good and bad

Synonyms & Similar Words

• steadfast
• staunch
• loyal
• faithful
• true
• devout
• devoted
• dedicated
• good
• steady
• pious
• ardent
• fast
• fervent
• down-the-line
• reliable
• passionate
• true-blue
• dependable
• solid
• responsible
• dutiful
• resolute
• trusty
• trustworthy
• unfaltering
• enthusiastic
• unwavering
• unhesitating
• serious
• tried
• determined
• intent
• inveterate
• tried-and-true
• avid
• confirmed
• impassioned
• fervid
• sworn
• gung ho
• dyed-in-the-wool

Antonyms & Near Antonyms

• false
• inconstant
• treacherous
• fickle
• perfidious
• unreliable
• untrue
• traitorous
• unfaithful
• faithless
• disloyal
• irresponsible
• untrustworthy
• undependable
• uncertain
• hesitant
• faltering
• dubious
• shaky
• recreant
• irresolute
• wavering
• dispassionate
• apathetic
• uninterested
• vacillating

Synonym Chooser

How is the word constant distinct from other similar adjectives?

Some common synonyms of constant are faithful, loyal, resolute, staunch, and steadfast. While all these words mean "firm in adherence to whatever one owes allegiance," constant stresses continuing firmness of emotional attachment without necessarily implying strict obedience to promises or vows.

constant friends

When might faithful be a better fit than constant?

In some situations, the words faithful and constant are roughly equivalent. However, faithful implies unswerving adherence to a person or thing or to the oath or promise by which a tie was contracted.

faithful to her promise

When would loyal be a good substitute for constant?

Although the words loyal and constant have much in common, loyal implies a firm resistance to any temptation to desert or betray.

remained loyal to the czar

When is it sensible to use resolute instead of constant?

The words resolute and constant are synonyms, but do differ in nuance. Specifically, resolute implies firm determination to adhere to a cause or purpose.

a resolute ally

In what contexts can staunch take the place of constant?

The synonyms staunch and constant are sometimes interchangeable, but staunch suggests fortitude and resolution in adherence and imperviousness to influences that would weaken it.

a staunch defender of free speech

When can steadfast be used instead of constant?

The meanings of steadfast and constant largely overlap; however, steadfast implies a steady and unwavering course in love, allegiance, or conviction.

steadfast in their support

Example Sentences

Recent Examples of constant

Radar Online reported that the two are in constant communication. —Lizzie Lanuza, StyleCaster, 6 Jan. 2026

And who can forget the seeming constant predictions that another recession was just around the corner? —Greg Rosalsky, NPR, 6 Jan. 2026

Pastel pink works as a constant reminder that every day is a new opportunity to begin. —Andrea Carbajal, Glamour, 6 Jan. 2026

His abdomen and back ached from constant dry heaves. —Robert McCoppin, Chicago Tribune, 5 Jan. 2026