adj. 25B6; adjective STEADY, resolute, resolved, firm, steadfast, fixed, decided, unswerving, unwavering, tireless, indefatigable, persistent, unyielding, relentless, unremitting, unrelenting.
unsteady.
UNFALTERING
Meaning of UNFALTERING in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012