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Definitions

steadfastly

[sted-fast-lee, -fahst-, -fuhst-] / ˈstɛdˌfæst li, -ˌfɑst-, -fəst- /
ADVERB
fast
Synonyms
STRONGEST
hard tight
STRONG
firm
WEAK
deeply firmly securely solidly soundly tightly
Antonyms
WEAK
loosely unfixedly
ADVERB
firmly
Synonyms
STRONGEST
adamantly decisively doggedly persistently resolutely staunchly strictly stubbornly tenaciously
STRONG
unwaveringly
WEAK
constantly indefatigably intently obdurately obstinately perseveringly pertinaciously purposefully stolidly through thick and thin unchangeably with heavy hand
Antonyms
WEAK
changeably flexibly indefinitely movably waveringly weakly
ADVERB
hard
Synonyms
STRONGEST
close fast tight
STRONG
firmly
WEAK
firm solidly tightly
Antonyms
WEAK
easily gently moderately unfixedly yielding
ADVERB
loyally
Synonyms
STRONGEST
conscientiously earnestly firmly resolutely sincerely staunchly
WEAK
constantly devotedly doubtlessly obediently submissively truly trustworthily
ADVERB
obstinately
Synonyms
STRONG
mulishly obdurately
WEAK
bullheadedly contumaciously determinedly doggedly firmly fixedly headstrongly indomitably inflexibly intractably opinionatedly persistently pertinaciously pigheadedly recalcitrantly resistantly resolutely resolvedly staunchly stolidly tenaciously unamenably unflinchingly unimpressibly unreasonably unreasoningly unrelentingly unwaveringly unyieldingly willfully
Antonyms
WEAK
docilely graciously obediently
ADVERB
resolutely
Synonyms
STRONGEST
bravely decisively firmly
WEAK
obstinately unwaveringly

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.

Takaichi said after her election win that Tokyo would bolster its defences and "steadfastly protect" its territory.

From Barron's • Feb. 18, 2026

China has steadfastly refused to participate in strategic arms talks and Trump made no mention of China in his social-media post.

From The Wall Street Journal • Feb. 5, 2026

Aldama steadfastly denied the accusations, and her name was later dropped from the suit.

From Los Angeles Times • Nov. 7, 2025

For some observers, it boils down to Amorim's 3-4-2-1 system, which he steadfastly refuses to change.

From BBC • Sep. 27, 2025

Nhamo had steadfastly refused to do this since the horrifying moment when she saw the wall spider with the burr stuck on top.

From "A Girl Named Disaster" by Nancy Farmer

Vocabulary lists containing steadfastly

Jim Harrison (1937-2016) Tribute List

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