The quality of being impalpable; intangibility.(noun)
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Use "impalpability" in a sentence
"One who has faded into impalpability through death, through absence, through change of manners."
"They represent metaphorically, however, certain important qualities of verse which, with the exception of rime, cannot from their very impalpability be formally explained, but can only be suggested and partially described."
"I was obliged to make inquiries concerning his whereabouts, and this investigation soon convinced me that there was something wrong in Mayo after all; not the _spectre vert_ exactly, but yet an unpleasant impalpability."