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