178 entries under dull topic. ×

4
leisurely(adjective, quiet, weak, easy)
4
obtuse(adjective, slow, stupid)
4
out of it(expression, adjective, idiom, quiet)
4
quiescent(adjective, sluggish, lazy, passive)
4
quiet(adjective, easy, slow, heavy)
4
sedentary(adjective, sluggish, lazy, inactive)
4
snoozy(adjective, quiet, weak, easy)
4
tardy(idle, sluggish, lazy, inactive)
4
unemotional(adjective, calm, flat, indifferent)
4
unhurried(adjective, quiet, weak, easy)
4
unresponsive(adjective, calm, flat, slow)
3
dragging(adjective, slow, heavy, sluggish)
3
limp(adjective, weak, easy, slow)
3
ponderous
3
static(adjective, sluggish, lazy, listless)
3
unemployed(adjective, sluggish, lazy, inactive)
3
unenthusiastic(adjective, weak, easy, slow)
2
blunt
2
boorish(adjective, slow, stupid)
2
bored(adjective, indifferent, unconcerned, sluggish)
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APASmart Define. (2016). lethargic thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/lethargic/thesaurus/synonyms
ChicagoSmart Define. 2016. "lethargic thesaurus" https://smartdefine.org/lethargic/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, lethargic thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/lethargic/thesaurus/synonyms>.
MLASmart Define. "lethargic thesaurus" 4 January 2016. Web. 28 September 2026. <https://smartdefine.org/lethargic/thesaurus/synonyms>