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-gratification is a noun meaning "indiscipline with regard to sensuous pleasures". It carries 2 recorded senses.
indiscipline with regard to sensuous pleasures
the act of satisfying your own desires and giving yourself pleasure
Definitions, synonyms and semantic relations for self-gratification come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.