Synonyms|448Antonyms|147|Broader|2Narrower|0Related|914

269 entries under adjective topic. ×

1
morose(blue, sad, depression, woe)
1
mournful(blue, sad, depression, woe)
1
murky(dull, dark, gloomy, faint)
1
nowhere(dull, simple, flat, clean)
1
obscured(dull, dark, gloomy, faint)
1
opaque(dull, dark, gloomy, faint)
1
ordinary(dull, simple, plain, dry)
1
overcast(dull, dark, gloomy, faint)
1
pabulum(dull, simple, flat, clean)
1
plain(dull, simple, unpleasant, ordinary)
1
platitudinous(dull, simple, flat, clean)
1
plebeian(dull, simple, clean, plain)
1
poorly lit(expression, dull, dark, gloomy)
1
practicable(simple, flat, clean, plain)
1
practical(simple, flat, clean, plain)
1
prose(simple, flat, clean, plain)
1
routine(dull, simple, clean, plain)
1
rueful(blue, sad, depression, woe)
1
run-of-the-mill(dull, dry, boring, tedious)
1
shadowy(dull, dark, gloomy, faint)
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APASmart Define. (2015). lackluster thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/lackluster/thesaurus/synonyms
ChicagoSmart Define. 2015. "lackluster thesaurus" https://smartdefine.org/lackluster/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, lackluster thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/lackluster/thesaurus/synonyms>.
MLASmart Define. "lackluster thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/lackluster/thesaurus/synonyms>