Synonyms|1.8kAntonyms|693|Broader|32Narrower|20Related|2.6k

20 entries under dull topic. ×

7
sad(adjective, happy, joy, glad)
7
inactive(adjective, moving, lethargic)
6
lethargic(adjective, energetic, sluggish, lazy)
5
lifeless(adjective, full, lethargic, spiritless)
5
lackluster(noun, adjective, lifeless)
5
sleepy(adjective, alert, lethargic)
4
heavy(adjective, lethargic)
3
apathetic(adjective, lethargic)
3
languid(adjective, listless, drooping)
3
sluggish
3
vapid(adjective, flat)
2
depressed(adjective, lethargic)
2
gloomy(adjective, clear, light, lethargic)
2
unhappy(adjective, lethargic)
1
down(adjective, lethargic)
1
dispirited(adjective, lethargic)
1
somber(adjective, light, bright, lethargic)
0
dry(adjective, full, uninteresting, damp)
0
unpleasant(adjective, lethargic)
0
wishy-washy(adjective, bland)
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ChicagoSmart Define. 2015. "lively thesaurus" https://smartdefine.org/lively/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2015, lively thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/lively/thesaurus/antonyms>.
MLASmart Define. "lively thesaurus" 19 December 2015. Web. 28 September 2026. <https://smartdefine.org/lively/thesaurus/antonyms>