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Definitions

steadfastness

[sted-fast-nuhs, -fuhst-] / ˈstɛdˌfæst nəs, -fəst- /
NOUN
fidelity
Synonyms
STRONGEST
constancy faithfulness
STRONG
accuracy adherence adhesion allegiance attachment closeness correspondence exactitude exactness fealty loyalty naturalism preciseness precision realism scrupulousness
WEAK
verism
Antonyms
STRONGEST
inconstancy
STRONG
disloyalty enmity imprecision inaccuracy inexactness

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.

Keenly aware of how her spine and steadfastness made Woodward and Bernstein’s work possible, he wanted to honor that crucial support.

From Los Angeles Times • May 1, 2026

Over the course of 18 months, Mr. Landsbergis’s courage and steadfastness to settle for nothing short of full independence set in motion something neither President George H.W.

From The Wall Street Journal • Feb. 24, 2026

I just had a little bit more steadfastness than a lot of people when they break young.

From Salon • Dec. 4, 2024

“We appreciate the steadfastness of the brotherly Lebanese people, and their constant solidarity with the Palestinian people,” Hamas leader Basem Naim told the BBC.

From BBC • Nov. 27, 2024

Travis had a steadfastness and purpose in his voice that Dill had never heard before.

From "The Serpent King" by Jeff Zentner