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