Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
quick-wittedness is a noun meaning "intelligence as revealed by an ability to give correct responses without delay". It carries one recorded sense.
intelligence as revealed by an ability to give correct responses without delay
Definitions, synonyms and semantic relations for quick-wittedness come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.