"steadfast adherence" is a correct and usable phrase in written English.
It refers to someone's unwavering commitment or dedication to something. Example: Her steadfast adherence to her values earned her the respect of her colleagues.
Steadfast adherence to equal constitutional rights, however, was "the only honorable and legal position that can be taken," Mr. Mondale said.
Tells about his continuing opposition to Christianity, & his steadfast adherence to freethought, which carried over to his request to Watts to insure that his death would not be followed by a funeral.
The historian David Schmitz has written that, by that time, the idea that America won because of "its values and steadfast adherence to the promotion of liberalism and democracy" was dominating "op-ed pages, popular magazines and the bestseller lists".
Many believe Indiana's steadfast adherence to the power game is exactly the way to break the Heat's stride and force them out of their most effective lineups, which feature the four-time most valuable player LeBron James at power forward.
A band loved by everyone from diehard doom fans through to emaciated hipsters, the Deadbeats' chief asset is their steadfast adherence to analogue sounds and an aesthetic ethos that eschews modernity in favour of the warm, brown tones of 70s rock filtered through a prism of Lovecraftian horror.
Still, that would appear to be the Strypes' belief, that it is their mission to purge the music scene of magniloquent pomp, hence their steadfast adherence to the old ways, and the preponderance of covers in their set – not refashioned, but with an impressive degree of fidelity.
His supporters insisted that Grant was "steadfast" in his "adherence to the principles of American liberty and religious toleration," and that General Orders No. 11 was "directed simply against evil designing persons whose religion was in no way material to the issue".
The Dalai Lama himself has never approved of either the provocations or any harsh responses, and remains steadfast in his adherence to nonviolence in principle and practice.
It has risen to that level by virtue of two core characteristics of the company: a stubborn adherence to customer service and a steadfast refusal to let excessive technological wizardry interfere with its shoppers' experience on the Web site.
"Pompeo is also a steadfast ally of Frank Gaffney, President of the Center for Security Policy, who has argued that adherence to Islamic law far from being protected by the First Amendment should be considered 'an impermissible act of sedition, which has to be prosecuted.' Pompeo spoke at the Center for Security Policy's 'Defeat Jihad' summit in 2015.
