103 entries under adjective topic. ×

1
matter-of- fact(expression, simple, clean, plain)
1
matter-of-fact
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matter of fact(expression, idiom, bad, clean)
1
nobody home(expression, dull, dead, impassive)
1
nothing(dull, simple, flat, clean)
1
nowhere(bad, simple, clean, plain)
1
obscure(dull, flat, dark, boring)
1
pabulum(dull, simple, flat, clean)
1
platitudinous(simple, flat, clean, plain)
1
plebeian(simple, clean, plain, ordinary)
1
practicable(simple, flat, clean, plain)
1
practical(simple, flat, clean, plain)
1
prose(simple, clean, plain, ordinary)
1
sluggish
1
spiritless
1
square(simple, flat, clean, plain)
1
stale(simple, clean, plain, ordinary)
1
stolid(dull, dead, impassive, unresponsive)
1
stupid(dull, dead, impassive, unresponsive)
1
tame(dull, simple, flat, clean)
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APASmart Define. (2015). lusterless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/lusterless/thesaurus/synonyms
ChicagoSmart Define. 2015. "lusterless thesaurus" https://smartdefine.org/lusterless/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, lusterless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/lusterless/thesaurus/synonyms>.
MLASmart Define. "lusterless thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/lusterless/thesaurus/synonyms>