Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
sententious is an adjective meaning "abounding in or given to pompous or aphoristic moralizing". It carries 2 recorded senses.
abounding in or given to pompous or aphoristic moralizing
“too often the significant episode deteriorates into sententious conversation”
Definitions, synonyms and semantic relations for sententious come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.