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.

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

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

From Slate • Mar. 25, 2026

“Bob, on behalf of our employees, cast members, shareholders, and fans around the world, thank you so much for your tremendous leadership, your steadfast support, and your countless contributions to The Walt Disney Co.,”

From Los Angeles Times • Mar. 18, 2026

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

From BBC • Mar. 4, 2026

Vincent knows that Dorus and Anna think he’s going crazy, but he remains steadfast in his feelings.

From "Vincent and Theo: The Van Gogh Brothers" by Deborah Heiligman

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