steadfast

[sted-fast, -fahst, -fuhst] / ˈstɛdˌfæst, -ˌfɑst, -fəst /

ADJECTIVE

loyal, steady

Synonyms

STRONGEST

abiding adamant ardent dedicated faithful inflexible intense relentless resolute rigid single-minded staunch stubborn true unflinching unqualified unswerving unwavering unyielding

WEAK

allegiant bound changeless constant dependable enduring established fast firm fixed immobile immovable inexorable intent liege never-failing obdurate persevering reliable stable sure tried-and-true true-blue unbending unfaltering unmovable unquestioning wholehearted

Antonyms

STRONGEST

afraid dishonest disloyal false flexible irresolute pliable pliant soft unreliable wavering weak willing yielding

WEAK

untrustworthy

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He was steadfast that all he was doing was helping, that the objections were cosmetic, and overblown.

From Slate • Mar. 25, 2026

"His life was one of resilience, courage, and steadfast belief in justice," Ramaphosa said in a statement.

From BBC • Mar. 4, 2026

There are a few glimmers of Moriarty’s future sensibility, although for the most part Sherlock and Moriarty remain steadfast pals.

From Los Angeles Times • Mar. 4, 2026

Or standing at a farmers’ market where only three tables have braved the wind — and one of them is selling storage onions, steadfast and unapologetic.

From Salon • Mar. 1, 2026

But it also may be that under the right circumstances, the demon wins the heart of the most steadfast soul, and the nemesis always becomes a lover.

From "Friday Night Lights: A Town, A Team, And A Dream" by H.G. Bissinger

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