66 entries under dull topic. ×

1
sluggard(adjective, slow, heavy, sluggish)
1
slumberous(adjective, slow, heavy, sluggish)
1
stagnant(adjective, moderate, low, slow)
1
stiff(adjective, moderate, low, slow)
1
tame(late, behind)
1
tedious(late, behind)
1
torpid(adjective, slow, heavy, sluggish)
1
uneventful(late, behind)
1
unprogressive(late, behind)
1
unresponsive(adjective, slow, heavy, sluggish)
0
backward(late, behind)
0
behindhand(late, behind)
0
belated(late, behind)
0
delayed(late, behind)
0
dilatory(late, behind)
0
gradual(late, behind)
0
heavy(adjective, slow, sluggish, inactive)
0
late
0
lingering(late, behind)
0
long-delayed(late, behind)
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APASmart Define. (2016). off thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/off/thesaurus/synonyms
ChicagoSmart Define. 2016. "off thesaurus" https://smartdefine.org/off/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, off thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/off/thesaurus/synonyms>.
MLASmart Define. "off thesaurus" 30 March 2016. Web. 21 September 2026. <https://smartdefine.org/off/thesaurus/synonyms>