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 The neighboring Olive Park Village Apartments have suffered frequent fires, causing headaches, costly repairs and near constant anxiety for homeowners. — Kendrick Calfee, Kansas City Star, 2 Sep. 2026 Without a constant flow of fresh human insight, synthetic models risk becoming increasingly sophisticated at reproducing what is already known. — Abigail Stuart, Forbes.com, 2 Sep. 2026 Long hours and constant scrutiny, along with little separation between work and home can take a toll, especially for parents of young children. — Dana Taylor, USA Today, 2 Sep. 2026 Despite his constant lies, Melanie forgave Sincere time and time again. — Allison Degrushe, StyleCaster, 1 Sep. 2026 See All Example Sentences for constant

Recent Examples of Synonyms for constant

Adjective

American gasoline prices have risen about 38 percent over the course of the war, but the country’s economic growth rate remains steady.

— JAMES F. JEFFREY, Foreign Affairs, 3 Sep. 2026
In recent years, Steinem had expanded her community in New York, hosting a steady stream of gatherings of women in her living room.

— Emma Hinchliffe, Fortune, 3 Sep. 2026

Definition of steady

Adjective

But the same steadfast pursuit that’s placed the attorney at the center of nearly every call for racial justice in the past decade has earned Crump more than a few detractors.

— Ryan Young, CNN Money, 30 Aug. 2026
In spite of the steadfast testimony of those who went over the antlers as meticulously as anyone could, there are still many detractors.

— Richard P. Smith, Outdoor Life, 27 Aug. 2026

Definition of steadfast

Adjective

In supply chains, product data is being validated and enriched continuously rather than in periodic batches.

— Adrian Carr, Forbes.com, 2 Sep. 2026
One common approach uses fiber Bragg gratings, microscopic periodic structures written into the fiber that reflect particular wavelengths of light.

— Pawel Maniewski, New Atlas, 2 Sep. 2026

Definition of periodic

Adjective

Already known as a 2020 election denier and staunch Trump supporter, Collins was popular among Georgia's MAGA base.

— Irene Wright, USA Today, 28 Aug. 2026
Doing so would further derail trade talks with one of America’s staunchest allies, which denies treating Coupang differently than Korean companies.

— Eleanor Mueller, semafor.com, 27 Aug. 2026

Definition of staunch

Adjective

Dark matter has never been detected, but it is believed to make up 85% of the total matter in the universe and help hold stars and galaxies in stable orbits.

— Ashley Strickland, CNN Money, 30 Aug. 2026
At the time of transport, two patients were in serious condition and four were in stable condition.

— Nour Rahal, Freep.com, 30 Aug. 2026

Definition of stable

Adjective

The first-place Sox (72-65) head into the final month of the regular season with a three-game lead over the second-place Cleveland Guardians (69-68), who were off on Monday.

— LaMond Pope, Chicago Tribune, 1 Sep. 2026
Aesha sends Kayley to deal with it, but a regular sink plunger can’t do the job — Nathan has to suction the stuff out with the wet vacuum.

— Rafaela Bassili, Vulture, 1 Sep. 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 5 Sep. 2026.

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Synonyms of constant

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