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

“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

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

Shackleton also chose Tim McCarthy, one of the seamen who had remained cheerful and steadfast through all their troubles, and who was young and strong.

From "Shipwreck at the Bottom of the World" by Jennifer Armstrong

Vocabulary lists containing steadfast

More Positive Words to Describe a Person

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Nothing But the Truth

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Leadership Vocabulary

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!