UNIMPRESSIBLE
Meaning of UNIMPRESSIBLE in English
adjective
Synonyms: insusceptible , impassive, insensitive, insentient, unimpressionable, unresponsive, unsusceptible
Antonyms: impressible
Merriam Webster.
Collegiate thesaurus English vocabulary.
Английский энциклопедический словарь тезаурус.
2003