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