INFEASIBLE
Meaning of INFEASIBLE in English
adjective
Synonyms: impossible 1, impracticable, impractical, irrealizable, unattainable, unfeasible, unrealizable, unworkable
Antonyms: feasible
Merriam Webster.
Collegiate thesaurus English vocabulary.
Английский энциклопедический словарь тезаурус.
2003