3
hueless(adjective, colorless)
3
insipid(adjective, dull, weak, dry, boring)
3
livid(weak, feeble)
3
neutral(adjective, colorless)
3
sombre(adjective, dull, lifeless)
3
uninspired(adjective, dull, excite, boring, pale)
3
zero(adjective, dull, simple, flat, clean)
2
anemic(weak, feeble, pale, white, colorless)
2
ashen(weak, feeble, pale, white, distressed)
2
bleached(adjective, distressed, worn, colorless, stonewashed)
2
bloodless(weak, feeble, pale, white, colorless)
2
cheerless(adjective, blue, sad, depression, woe)
2
cloudy(adjective, dull, dark, gloomy, faint)
2
darkish(adjective, dull, dark, gloomy, faint)
2
desolate(adjective, blue, sad, depression, woe)
2
discolored(distressed, worn, stonewashed)
2
dusk(adjective, dull, dark, gloomy, faint)
2
earthbound(adjective, dull, excite)
2
etiolated(weak, feeble, distressed, worn, stonewashed)
2
featureless(adjective, dull, ordinary, lifeless)
11 years ago|11k views|share |citing 
APASmart Define. (2015). lackluster thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/lackluster/thesaurus/synonyms
ChicagoSmart Define. 2015. "lackluster thesaurus" https://smartdefine.org/lackluster/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, lackluster thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/lackluster/thesaurus/synonyms>.
MLASmart Define. "lackluster thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/lackluster/thesaurus/synonyms>