UNSHAKABLE
Meaning of UNSHAKABLE in English
adjective
Synonyms: sure 2, abiding, firm, fixed, never-failing, steadfast, steady, unfaltering, unquestioning, unwavering
Antonyms: shakable
Merriam Webster.
Collegiate thesaurus English vocabulary.
Английский энциклопедический словарь тезаурус.
2003