Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
ulteriority is a noun meaning "the quality of being ulterior". It carries one recorded sense.
the quality of being ulterior
“their conversation was limited to ulteriorities”
“a terrible feeling of ulteriority”
“his stories were too susceptible to ulteriority”
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 ulteriority come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.