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