55 entries under dull topic. ×

1
trifling(adjective, careless, indifferent, idle)
1
unconcerned(idle, sluggish, inactive, lethargic)
1
unenergetic(adjective, careless, indifferent, idle)
1
unindustrious(adjective, careless, indifferent, idle)
1
unpersevering(adjective, careless, indifferent, idle)
1
unready(adjective, careless, indifferent, idle)
1
weary(adjective, careless, indifferent, idle)
0
absent(adjective, stupid, sluggish, lifeless)
0
heedless(adjective, stupid, sluggish, lifeless)
0
inanimate(adjective, stupid, sluggish, lifeless)
0
lymphatic(adjective, stupid, sluggish, lifeless)
0
mopish(adjective, stupid, sluggish, lifeless)
0
thoughtless(adjective, stupid, sluggish, lifeless)
0
vacant(adjective, stupid, sluggish, lifeless)
0
without energy(expression, adjective, stupid, sluggish)
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APASmart Define. (2015). lagging thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/lagging/thesaurus/synonyms
ChicagoSmart Define. 2015. "lagging thesaurus" https://smartdefine.org/lagging/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, lagging thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/lagging/thesaurus/synonyms>.
MLASmart Define. "lagging thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/lagging/thesaurus/synonyms>