173 entries under dull topic. ×

2
procrastinating(idle, sluggish, lazy, lethargic)
2
remiss(idle, sluggish, lazy, lethargic)
2
sleepyhead(adjective, quiet, weak, easy)
2
slow-moving(adjective, quiet, easy, slow)
2
slumberous(adjective, quiet, slow, heavy)
2
snoozy(adjective, quiet, weak, easy)
2
stupefied(adjective, weary, apathetic, tired)
2
stupid(adjective, heavy, apathetic, sluggish)
2
tedious(late, behind)
2
unemotional(adjective, quiet, cool, still)
2
unenthusiastic(adjective, weak, easy, slow)
2
unproductive(adjective, moderate, low, stiff)
1
accustomed(adjective, quiet, flat, slow)
1
asleep on the job(expression, idiom, idle, sluggish)
1
azoic(cold, lifeless, nonliving, inorganic)
1
blahs(adjective, weak, easy, slow)
1
careless(idle, sluggish, lethargic, languid)
1
dallying(idle, sluggish, lazy, lethargic)
1
debilitated(adjective, heavy, weary, tired)
1
drippy(adjective, slow, heavy, sluggish)
11 years ago|24k views|share |citing 
APASmart Define. (2015). inactive thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/inactive/thesaurus/synonyms
ChicagoSmart Define. 2015. "inactive thesaurus" https://smartdefine.org/inactive/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, inactive thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/inactive/thesaurus/synonyms>.
MLASmart Define. "inactive thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/inactive/thesaurus/synonyms>