Definitions

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.

Then Golding wrote, “Softly, surrounded by a fringe of inquisitive bright creatures, itself a silver shape beneath the steadfast constellations, Simon’s dead body moved out towards the open sea.”

From Los Angeles Times • Jun. 9, 2026

Farmers remain steadfast supporters of E15, seeing it as a means to increase domestic consumption of a record U.S. corn crop.

From The Wall Street Journal • May 15, 2026

Prime Minister Narendra Modi said India remains "steadfast as ever" in its determination to defeat terrorism and its "enabling ecosystem", marking one year since a deadly clash with arch-enemy Pakistan.

From Barron's • May 7, 2026

“The loyalty, the steadfast spirit, the character that they’ve chosen day in and day out. ... I am just so humbled that they’ve chosen to commit to our mission.”

From Los Angeles Times • Apr. 5, 2026

I knew Horatio to be steadfast and incorruptible, the unmoving center of a world that turned unpredictably.

From "Ophelia" by Lisa Klein

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