UNFLEXIBLE
Meaning of UNFLEXIBLE in English
adjective
Synonyms: stiff 1, immalleable, impliable, incompliant, inelastic, inflexible, rigid, unbending, unyielding
Antonyms: flexible
Merriam Webster.
Collegiate thesaurus English vocabulary.
Английский энциклопедический словарь тезаурус.
2003