Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
superficiality is a noun meaning "lack of depth of knowledge or thought or feeling". It carries 2 recorded senses.
lack of depth of knowledge or thought or feeling
shallowness in terms of affecting only surface layers of something
“he ignored the wound because of its superficiality”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for superficiality come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.