The invisibility and impalpability of such spirit substance are no conclusive refutation of its existence in and around us perpetually.
"Witchcraft of New England Explained by Modern Spiritualism"
Allen Putnam
Troubles and other realities took on themselves a metaphysical impalpability, sinking to mere mental phenomena for serene contemplation, and no longer stood as pressing concretions which chafed body and soul.
"Tess of the d'Urbervilles A Pure Woman"
Thomas Hardy
One who has faded into impalpability through death, through absence, through change of manners.
"Ulysses"
James Joyce