Synonyms of steadfast

steadfast

adjective

ˈsted-ˌfast 

as in loyal

firm in one's allegiance to someone or something

a steadfast supporter of women's rights

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

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

Recent Examples of steadfast

Although Reagan remained outwardly steadfast, he was briefed that his approval ratings were beginning to sour because of Lebanon. —Karim Sadjadpour, The Atlantic, 23 Mar. 2026

Ukraine's European allies have promised to maintain their steadfast support, but bickering over a major 90 billion euro ($106 billion) European Union loan to cover Kyiv's military and economic needs for two years has reflected the mounting challenges. —ABC News, 20 Mar. 2026

Our commitment to seeking justice on behalf of victims and their families remains steadfast. —Adam Thompson, CBS News, 19 Mar. 2026

Spanning the Civil War, the Great Leap Forward, and the Cultural Revolution, the film follows Xu Fugui (Ge You), a once-wealthy gambler reduced to poverty, and his steadfast wife Jiazhen (Gong Li), whose resilience anchors the family through cycles of loss and survival. —Jim Hemphill, IndieWire, 18 Mar. 2026

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