impalpable
adjective
[ ɪmˈpalpəb(ə)l ]
• unable to be felt by touch.
• "an impalpable ghost"
Similar:
intangible,
insubstantial,
incorporeal,
unable to be touched,
imperceptible to the touch,
indefinable,
elusive,
hard to define/describe,
undescribable,
immaterial,
unbodied,
discarnate,
Origin:
early 16th century: from French, or from late Latin impalpabilis, from in- ‘not’ + palpabilis (see palpable).