122 entries under dull topic. ×

1
having spring fever(expression, adjective, idiom, heavy)
1
in holding pattern(expression, adjective, idiom, sluggish)
1
insensate(cold, lifeless, nonliving, inorganic)
1
insentient(adjective, cold, lifeless, inanimate)
1
laid-back(adjective, quiet, careless, indifferent)
1
languishing(adjective, careless, relaxed, indifferent)
1
low-key(adjective, sluggish, lazy, passive)
1
mineral(cold, lifeless, nonliving, inorganic)
1
moony(adjective, quiet, flat, careless)
1
mothballed(adjective, sluggish, out, lazy)
1
nebbish(adjective, stupid, weary, apathetic)
1
nonanimal(cold, lifeless, nonliving, inorganic)
1
nonvegetable(cold, lifeless, nonliving, inorganic)
1
on hold(expression, adjective, sluggish, lazy)
1
ossified(adjective, sluggish, lazy, passive)
1
out of action(expression, adjective, idiom, sluggish)
1
out of it(expression, adjective, idiom, careless)
1
out of service(expression, adjective, idiom, sluggish)
1
romantic(adjective, careless, relaxed, indifferent)
1
sentimental(adjective, careless, relaxed, indifferent)
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APASmart Define. (2015). idle thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/idle/thesaurus/synonyms
ChicagoSmart Define. 2015. "idle thesaurus" https://smartdefine.org/idle/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, idle thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/idle/thesaurus/synonyms>.
MLASmart Define. "idle thesaurus" 23 October 2015. Web. 27 September 2026. <https://smartdefine.org/idle/thesaurus/synonyms>