STEADFAST Synonyms: 69 Similar and Opposite Words

Q: How is the word 'steadfast' distinct from other similar adjectives?

Some common synonyms of steadfast are constant , faithful , loyal , resolute , and staunch . While all these words mean "firm in adherence to whatever one owes allegiance," steadfast implies a steady and unwavering course in love, allegiance, or conviction. // steadfast in their support

Q: When is it sensible to use 'constant' instead of 'steadfast'?

The synonyms constant and steadfast are sometimes interchangeable, but constant stresses continuing firmness of emotional attachment without necessarily implying strict obedience to promises or vows. // constant friends

Q: In what contexts can 'faithful' take the place of 'steadfast'?

The words faithful and steadfast are synonyms, but do differ in nuance. Specifically, 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 could 'loyal' be used to replace 'steadfast'?

While in some cases nearly identical to steadfast , loyal implies a firm resistance to any temptation to desert or betray. // remained loyal to the czar

Q: When is 'resolute' a more appropriate choice than 'steadfast'?

The meanings of resolute and steadfast largely overlap; however, resolute implies firm determination to adhere to a cause or purpose. // a resolute ally

Q: When might 'staunch' be a better fit than 'steadfast'?

While the synonyms staunch and steadfast are close in meaning, staunch suggests fortitude and resolution in adherence and imperviousness to influences that would weaken it. // a staunch defender of free speech

steadfast

adjective

ˈsted-ˌfast

Definition of steadfast next

as in loyal

firm in one's allegiance to someone or something a steadfast supporter of women's rights

Synonyms & Similar Words

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Synonym Chooser

How is the word steadfast distinct from other similar adjectives?

Some common synonyms of steadfast are constant, faithful, loyal, resolute, and staunch. While all these words mean "firm in adherence to whatever one owes allegiance," steadfast implies a steady and unwavering course in love, allegiance, or conviction.

steadfast in their support

When is it sensible to use constant instead of steadfast?

The synonyms constant and steadfast are sometimes interchangeable, but constant stresses continuing firmness of emotional attachment without necessarily implying strict obedience to promises or vows.

constant friends

In what contexts can faithful take the place of steadfast?

The words faithful and steadfast are synonyms, but do differ in nuance. Specifically, 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 could loyal be used to replace steadfast?

While in some cases nearly identical to steadfast, loyal implies a firm resistance to any temptation to desert or betray.

remained loyal to the czar

When is resolute a more appropriate choice than steadfast?

The meanings of resolute and steadfast largely overlap; however, resolute implies firm determination to adhere to a cause or purpose.

a resolute ally

When might staunch be a better fit than steadfast?

While the synonyms staunch and steadfast are close in meaning, staunch suggests fortitude and resolution in adherence and imperviousness to influences that would weaken it.

a staunch defender of free speech

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 steadfast Erica has been a steadfast supporter of her big brother from the get-go, and frequently goes to bat for the Knicks on social media. —

Emma Banks, PEOPLE, 10 June 2026 But one Kansas City businessman, better known as the founder of the Chiefs, was a steadfast believer. —

Brittney Melton, NPR, 9 June 2026 Douglas County remains steadfast in its commitment to transparency and adherence to Colorado Open Meeting laws. —

Olivia Young, CBS News, 8 June 2026 The throughline of his life is his on-again, off-again friendship with, but also his steadfast love for a neighbor girl of the upper class, who challenges him repeatedly to become his better self. —

The Know, Denver Post, 31 May 2026 See All Example Sentences for steadfast

Recent Examples of Synonyms for steadfast

Adjective

The thing everyone, from the NCAA’s fiercest critics to its most loyal defenders, understood had to remain nonnegotiable.

— Eddie Brown, San Diego Union-Tribune, 13 June 2026
The New Britain native was popular and enjoyed the support of loyal followers.

— Kevin Rennie, Hartford Courant, 13 June 2026