CONSTANT Synonyms: 147 Similar and Opposite Words

Q: 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

Q: 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

Q: 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

Q: 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

Q: 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

Q: 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

constant

adjective

ˈkän(t)-stənt

Definition of constant

as in steady

not undergoing a change in condition change is the only constant thing in the world of fashion

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in frequent

appearing or occurring repeatedly from time to time I get constant headaches during humid weather

Synonyms & Similar Words

Antonyms & Near Antonyms

as in steadfast

firm in one's allegiance to someone or something constant friends during times both good and bad

Synonyms & Similar Words

Antonyms & Near Antonyms

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

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of constant Hochul took off the gloves, apparently fed up with the constant attacks from the Nassau County executive, including him blaming her for high energy costs. — Marcia Kramer, CBS News, 20 Oct. 2026 But constant improvement requires more than a charming personality. — Ct Jones, Rolling Stone, 20 Oct. 2026 But Sports Resort is also a refined and expansive version of the concept, and one that will likely become a constant over the Switch 2’s life. — Andrew Webster, The Verge, 20 Oct. 2026 Developed in direct collaboration with garment manufacturers Becri, United Textiles Group and Padma, the tool incorporates factory feedback to ensure production can proceed smoothly without constant callbacks. — Arthur Zaczkiewicz, Footwear News, 20 Oct. 2026 See All Example Sentences for constant

Recent Examples of Synonyms for constant

Adjective

Because the switching happens thousands of times a second, the device can hold voltage steady, absorb a disturbance or operate in reverse, pushing power backward from batteries toward the grid.

— Alex Pasternack, Scientific American, 20 Oct. 2026
What everyday movements reveal Standing from a chair requires a stable base, enough ankle and hip mobility to shift your weight forward, lower body and core strength to lift yourself, and balance to keep you steady.

— Dana Santas, CNN Money, 20 Oct. 2026

Definition of steady

Adjective

Over time, the sinkholes became more frequent, and county workers struggled to inspect the entire pipe with their own equipment.

— Nicole Buss, Sacbee.com, 22 Oct. 2026
The link between frequent, accidental naps and dementia remained just as strong, suggesting that changes in napping habits can show up years before a formal diagnosis.

— Khloe Quill, FOXNews.com, 22 Oct. 2026

Definition of frequent

Adjective

Meanwhile, waiting in the wings is a man of few words — and initially, few feelings, or so thinks Marianne — the steadfast Colonel Brandon (Herbert Nordrum).

— ABC News, ABC News, 14 Oct. 2026
The poem continues with more verses about Burns’s steadfast love, but beyond that, nothing really happens.

— René Ostberg, Encyclopedia Britannica, 14 Oct. 2026

Definition of steadfast

Adjective

The Finnish firm Posiva will also need to submit periodic safety assessments every decade.

— Mrigakshi Dixit, Interesting Engineering, 23 Oct. 2026
That restraint, even if disrupted by periodic rounds of fighting with Hamas, endeared Netanyahu to mainstream Israelis, who could pretend that the conflict was a thing of the past and all but forget about the Palestinians.

— Aluf Benn, Foreign Affairs, 23 Oct. 2026

Definition of periodic

Adjective

Predominantly Muslim Malaysia is a staunch supporter of the Palestinian cause and has no diplomatic or direct economic ties with Israel.

— ABC News, ABC News, 21 Oct. 2026
The billionaire developer lost to Bass in the 2022 election, and was a staunch critic of the mayor for her response to the 2025 Palisades fire.

— Itzel Luna, Los Angeles Times, 20 Oct. 2026

Definition of staunch

Adjective

Taiwan remains the most explosive issue in the relationship—and its very danger is what creates the mutual incentive to keep it stable.

— Ningrong Liu, Fortune, 23 Oct. 2026
The suspect was listed in stable condition at the hospital, according to the Sheriff’s Office.

— Rosalio Ahumada, Sacbee.com, 22 Oct. 2026

Definition of stable

Adjective

And after a few key results on Saturday, there’s some clarity behind Miami in the conference standings with five weeks left in the regular season.

— Jordan McPherson, Miami Herald, 25 Oct. 2026
Market and restaurant regular Heather Anderson and her wife were contributors.

— Jen Christensen, CNN Money, 24 Oct. 2026

Definition of regular

Browse Nearby Words

constancy

constant

constantly

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“Constant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/constant. Accessed 27 Oct. 2026.

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