Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
sceptical is an adjective meaning "marked by or given to doubt". It carries 2 recorded senses.
marked by or given to doubt
“a skeptical attitude”
“a skeptical listener”
denying or questioning the tenets of especially a religion
“a skeptical approach to the nature of miracles”
Definitions, synonyms and semantic relations for sceptical come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.