62 entries under heavy topic. ×

2
laid-back(adjective, dull, weak, easy, flat)
2
languorous(adjective, dull, weak, easy, flat)
2
leaden(adjective, dull, weak, easy, flat)
2
quiet(adjective, dull, flat, slow)
2
sleepy(adjective, dull, quiet, slow, informal)
2
sleepyhead(adjective, dull, quiet, weak, easy)
2
somnolent(adjective, dull, quiet, slow, relaxed)
2
stiff(adjective, dull, slow, sluggish)
2
supine(adjective, dull, weak, easy, slow)
2
unconcerned(adjective, calm, dull, weak, easy)
2
uninterested(adjective, dull, weak, easy, slow)
2
weak(adjective, dull, smooth, pleasant, easy)
2
wimpy(adjective, dull, weak, smooth, pleasant)
1
asleep(dull, quiet, tired, sluggish)
1
debilitated(adjective, dull, stupid, idle)
1
dilatory(adjective, dull, stupid, idle)
1
dragging(adjective, dull, slow, sluggish)
1
drippy(adjective, dull, flat, low, sad)
1
drowsy(adjective, dull, quiet, slow, relaxed)
1
energyless(dull, weak, still, sluggish)
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APASmart Define. (2016). blah thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/blah/thesaurus/synonyms
ChicagoSmart Define. 2016. "blah thesaurus" https://smartdefine.org/blah/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, blah thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/blah/thesaurus/synonyms>.
MLASmart Define. "blah thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/blah/thesaurus/synonyms>