Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
uncivilised is an adjective meaning "without civilizing influences". It carries one recorded sense.
without civilizing influences
“barbarian invaders”
“barbaric practices”
“a savage people”
“fighting is crude and uncivilized especially if the weapons are efficient”
“wild tribes”
Definitions, synonyms and semantic relations for uncivilised come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.