Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
impuissant is an adjective meaning "lacking physical strength or vigor". It carries one recorded sense.
lacking physical strength or vigor
Definitions, synonyms and semantic relations for impuissant come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.