Adjective: impalpable im'pal-pu-bul
- Incapable of being perceived by the senses especially the sense of touch
"the impalpable constituent of energy";
- intangible
- Imperceptible to the senses or the mind
"impalpable distinctions"; "as impalpable as a dream"; "an impalpable cloud"; "impalpable shadows"
- Not perceptible to the touch
"an impalpable pulse"
See also: abstract, elusive, imperceptible, subtle, unperceivable
Encyclopedia: Impalpable