65 entries under thin topic. ×

7
pale(adjective, dull, weak, dark)
4
faint(adjective, dull, mean, weak)
4
pallid(adjective, mean, weak, ill)
4
wan(mean, weak, ill, feeble)
2
haggard(pale, sickly-looking)
2
languid(adjective, dull, mean, weak, flat)
2
sickly(weak, ill, feeble, pale)
2
weak(adjective, dull, dark, gloomy)
1
ailing(weak, ill, feeble, pale)
1
below par(expression, weak, ill, feeble)
1
bilious(mean, weak, ill, feeble)
1
cranky(mean, weak, ill, feeble)
1
delicate(mean, weak, ill, feeble)
1
diseased(mean, weak, ill, feeble)
1
down(dull, weak, low, ill)
1
dragging(mean, weak, ill, feeble)
1
empty(adjective, dull, dead, pale)
1
feeble(weak, ill, pale, unhealthy)
1
in poor health(expression, idiom, mean, weak)
1
indisposed(mean, weak, ill, feeble)
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APASmart Define. (2015). lackluster thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/lackluster/thesaurus/synonyms
ChicagoSmart Define. 2015. "lackluster thesaurus" https://smartdefine.org/lackluster/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, lackluster thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/lackluster/thesaurus/synonyms>.
MLASmart Define. "lackluster thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/lackluster/thesaurus/synonyms>