15 entries under lethargic topic. ×

25
lazy(adjective, dull, sluggish, inactive)
13
tired(adjective, dull)
10
sluggish(adjective, dull)
9
lifeless(adjective, dull, full, spiritless)
9
inactive(adjective, dull, moving)
8
slow(adjective, dull)
7
idle(adjective, dull)
7
apathetic(adjective, dull)
7
weak(adjective, dull)
5
dull
3
impotent(adjective, dull)
1
passive(adjective, dull)
0
dispirited(adjective, dull)
0
easy-going(adjective, dull)
0
laid-back(adjective, dull)
10 years ago|5.8k views|share |citing 
APASmart Define. (2016). energetic thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/energetic/thesaurus/antonyms
ChicagoSmart Define. 2016. "energetic thesaurus" https://smartdefine.org/energetic/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2016, energetic thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/energetic/thesaurus/antonyms>.
MLASmart Define. "energetic thesaurus" 1 April 2016. Web. 29 September 2026. <https://smartdefine.org/energetic/thesaurus/antonyms>