adjective
Synonyms: incomprehensible 1, impenetrable, incognizable, unfathomable, ungraspable, unintelligible, unknowable
Antonyms: comprehensible, graspable
adjective
Synonyms: incomprehensible 1, impenetrable, incognizable, unfathomable, ungraspable, unintelligible, unknowable
Antonyms: comprehensible, graspable
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003