Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
ungoverned is an adjective meaning "not restrained or controlled". It carries 2 recorded senses.
not restrained or controlled
“unbridled rage”
“an unchecked temper”
“ungoverned rage”
lacking in discipline or control
“undisciplined behavior”
“ungoverned youth”
Definitions, synonyms and semantic relations for ungoverned come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.