impalpable (Adjective) — Incapable of being perceived by the senses especially the sense of touch. ex. "the impalpable constituent of energy"
impalpable (Adjective) — Imperceptible to the senses or the mind. ex. "an impalpable cloud" ex. "impalpable shadows" ex. "impalpable distinctions" ex. "as impalpable as a dream"
impalpable (Adjective) — Not perceptible to the touch. ex. "an impalpable pulse"