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English definition of “steadfast”

steadfast

adjective uk   /ˈsted.fɑːst/ /-fəst/ us    /-fæst/ approving
staying the same for a long time and not changing quickly or unexpectedly: a steadfast friend/ally steadfast loyalty The group remained steadfast in its support for the new system, even when it was criticized in the newspapers.Keeping and staying the sameNot able to be changed
steadfastness
noun [U] uk   /-nəs/ us  
Keeping and staying the sameNot able to be changed
(Definition of steadfast from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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