adjective
1.
Synonyms: same 3, consistent, constant, invariable, unchanging, unvarying
2.
Synonyms: infallible 2, certain, sure, surefire
Antonyms: fallible
adjective
1.
Synonyms: same 3, consistent, constant, invariable, unchanging, unvarying
2.
Synonyms: infallible 2, certain, sure, surefire
Antonyms: fallible
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003