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-discipline is a noun meaning "the trait of practicing self discipline". It carries 2 recorded senses.
the trait of practicing self discipline
the act of denying yourself; controlling your impulses
Definitions, synonyms and semantic relations for self-discipline come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.