Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
unrenewable is an adjective meaning "that can not be renewed". It carries one recorded sense.
that can not be renewed
“books on that shelf are unrenewable”
“gas and oil are nonrenewable resources”
Definitions, synonyms and semantic relations for unrenewable come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.