246 entries under dull topic. ×

1
moronic(adjective, simple, slow, stupid)
1
nebbish(adjective, weak, easy, slow)
1
numskulled(adjective, simple, slow, stupid)
1
out of action(expression, idiom, lazy, passive)
1
out to lunch(expression, idiom, cold, dead)
1
overdue(slow, late, behind, delayed)
1
passionless(adjective, calm, quiet, flat)
1
pining(adjective, weak, easy, slow)
1
senseless(cold, silly, stupid, dead)
1
sickly(adjective, weak, easy, slow)
1
simple(adjective, slow, silly, stupid)
1
sleepyhead(adjective, quiet, weak, easy)
1
sleepyheaded(adjective, slow, inactive, listless)
1
thick(adjective, simple, slow, silly)
1
unenergetic(idle, lazy, inactive, lethargic)
1
unfeeling(adjective, calm, flat, unemotional)
1
unintelligent(adjective, simple, slow, stupid)
1
unoccupied(lazy, motionless, unmoving, stationary)
1
vacuous(adjective, quiet, simple, flat)
1
wimpy(adjective, weak, easy, slow)
10 years ago|31k views|share |citing 
APASmart Define. (2016). sluggish thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/sluggish/thesaurus/synonyms
ChicagoSmart Define. 2016. "sluggish thesaurus" https://smartdefine.org/sluggish/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, sluggish thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/sluggish/thesaurus/synonyms>.
MLASmart Define. "sluggish thesaurus" 1 April 2016. Web. 27 September 2026. <https://smartdefine.org/sluggish/thesaurus/synonyms>