unenergetic
une·ner·ge·tic
adjective
1.
not inclined to be enterprising
Origin
From un- + energetic.
Related words
Word family
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.