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-justification is a noun meaning "a defense of some offensive behavior or some failure to keep a promise etc.". It carries one recorded sense.
a defense of some offensive behavior or some failure to keep a promise etc.
“he kept finding excuses to stay”
“every day he had a new alibi for not getting a job”
“his transparent self-justification was unacceptable”
Definitions, synonyms and semantic relations for self-justification come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.