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.

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

Tucci’s endearingly steadfast Nigel is finally applauded for his years of service to Runway, and I was dismayed to find myself rolling my eyes at how corny the moment felt.

From Los Angeles Times • Apr. 29, 2026

Corporate America remains steadfast in the belief that companies who don’t fully learn to leverage AI will get outcompeted and become obsolete.

From The Wall Street Journal • Apr. 14, 2026

DUP leader Gavin Robinson paid tribute to the Foyle politician, saying he had been a "dedicated and steadfast servant to people across the city of Londonderry and surrounding areas".

From BBC • Apr. 9, 2026

She sat steadfast and unmovable in the living room, “just catching up on a bit of admin.”

From "The Girl on the Train" by Paula Hawkins

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