Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
unenergetic is an adjective meaning "deficient in alertness or activity". It carries 2 recorded senses.
not inclined to be enterprising
Definitions, synonyms and semantic relations for unenergetic come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.