adj. 25B6; adjective UNWAVERING, unfaltering, steadfast, unshakeable, staunch, firm, resolute, stalwart, dedicated, committed, constant, single-minded, dogged, indefatigable, unyielding, unbending, indomitable.
UNSWERVING
Meaning of UNSWERVING in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012