adj. Function: adjective
Synonyms: IMPERCEPTIBLE , impalpable, imponderable, inappreciable, indiscernible, insensible, intangible, unappreciable, unobservable, unperceivable
Antonyms: apparent, detectable
adj. Function: adjective
Synonyms: IMPERCEPTIBLE , impalpable, imponderable, inappreciable, indiscernible, insensible, intangible, unappreciable, unobservable, unperceivable
Antonyms: apparent, detectable
Merriam Webster. Collegiate thesaurus English dictionary. Английский энциклопедический толковый словарь тезауруса. 2012