42 entries under lackluster topic. ×

2
sombre(adjective, dull, flat, dark, boring)
2
wan(weak, feeble, distressed, worn)
2
weak
1
banal(adjective, simple, flat, clean, plain)
1
draggy(adjective, dull, flat, boring, lifeless)
1
ho-hum(adjective, dull, bad, simple, flat)
1
laid back(expression, adjective, boring, lifeless, puny)
1
matter of fact(expression, adjective, idiom, bad, clean)
1
nowhere(adjective, bad, simple, clean, plain)
1
unimaginative(adjective, dull, simple, flat, excite)
1
uninspiring(adjective, dull, bad, simple, clean)
1
vapid(adjective, dull, simple, flat, clean)
1
workaday(adjective, bad, simple, clean, plain)
1
zero(adjective, dull, simple, flat, clean)
0
anodyne(weak, feeble)
0
bland(dull, weak, feeble, lifeless, dreary)
0
feeble(weak, powerless, wornout)
0
insipid(weak, feeble)
0
languid(weak, feeble)
0
listless(weak, feeble)
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APASmart Define. (2015). lusterless thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/lusterless/thesaurus/synonyms
ChicagoSmart Define. 2015. "lusterless thesaurus" https://smartdefine.org/lusterless/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, lusterless thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/lusterless/thesaurus/synonyms>.
MLASmart Define. "lusterless thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/lusterless/thesaurus/synonyms>