unenergetic

Speech parts

1. unenergetic - Adjective

2. unenergetic - Adjective Satellite

deficient in alertness or activity

not inclined to be enterprising

Source: WordNet

lethargic slowgoing slack sleepy slow passive tired inert inactive idle indifferent lazy careless lagging sluggish

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energetic swift aeronautical alar active FAST

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bullfrogs became lethargic with the first cold nights Source: Internet