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Impalpable

adj

Adjective

1
Incapable of being touched or felt; incorporeal, intangible.
"But here thou canst not handle aught, neither make the folk ware of thee, not though thou shout thy throat hoarse. For thou and I walk here impalpable and invisible, as it were two dreams walking."
2
Not able to be perceived, or able to be perceived only with difficulty; insubstantial, thin.
"On the benches lay figures covered with yellow linen, on which a fine and impalpable dust had gathered in the course of ages, but nothing like to the extent that one would have anticipated, for in these deep-hewn caves there is no material to turn to dust."
3
Not easily grasped (mentally) or understood.
"What is happiness, anyhow? Is this one of its hours, or the like of it?—so impalpable—a mere breath, an evanescent tinge?"

Adjective

1
imperceptible to the senses or the mind wordnet
2
not perceptible to the touch wordnet
3
incapable of being perceived by the senses especially the sense of touch wordnet

From Middle French impalpable, from Medieval Latin impalpabilis. See im- + palpable.

Unscramble this word: impalpable