Syllable division and stress derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
impalpable is an adjective meaning "incapable of being perceived by the senses especially the sense of touch". It carries 3 recorded senses.
incapable of being perceived by the senses especially the sense of touch
“the intangible constituent of energy”
Definitions, synonyms and semantic relations for impalpable come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.