Word familynounimpalpabilityadjectiveimpalpableadverbimpalpably
im·pal·pa·ble /ɪmˈpælpəbəl/adjectiveadj formal
1.REAL/NOT IMAGINARYimpossible to touch or feel physically 触摸不着的；感觉不到的OPP palpable
2.DIFFICULTvery difficult to understand 难懂的
Examples from the Corpus
impalpable• Roads they were then of the Sidhe and of those who have dealings with the impalpable and the evanescent.• For we have not clung to obsolete and impalpable assumptions concerning our society purely as the result of obtuseness and ignorance.• Last and most impalpable of all is public sentiment.