Synonyms|107Antonyms|17|Broader|2Narrower|0Related|271
3
prosaic
3
spiritless(adjective, listless)
3
thick
3
two-dimensional
3
unexciting
3
wearisome
2
blah
2
cheerless
2
gloomy
2
unimaginative
2
wishy-washy
1
colorless
1
dead
1
depressing
1
dim
1
dirty
1
dry
1
dusky
1
faded
1
grey
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APASmart Define. (2015). lacklustre thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/lacklustre/thesaurus/synonyms
ChicagoSmart Define. 2015. "lacklustre thesaurus" https://smartdefine.org/lacklustre/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, lacklustre thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/lacklustre/thesaurus/synonyms>.
MLASmart Define. "lacklustre thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/lacklustre/thesaurus/synonyms>