Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
self-importance is a noun meaning "an inflated feeling of pride in your superiority to others". It carries 2 recorded senses.
Definitions, synonyms and semantic relations for self-importance come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.