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-constituted is an adjective meaning "constituted by or established by itself". It carries one recorded sense.
constituted by or established by itself
Definitions, synonyms and semantic relations for self-constituted come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.