79 entries under plain topic. ×

1
hackneyed(adjective, dull, simple, clean)
1
ho-hum(adjective, dull, simple, flat, clean)
1
irksome(adjective, dull, simple, clean)
1
lenient(adjective, quiet, weak, gentle)
1
lowly(adjective, quiet, simple, lower, gentle)
1
lusterless(adjective, dull, simple, flat, clean)
1
matter-of- fact(expression, adjective, simple, flat, clean)
1
mild(adjective, dull, quiet, weak, gentle)
1
milk-and-water(adjective, dull, weak, mild)
1
monotonous(adjective, dull, weak, simple)
1
ordinary(adjective, dull, simple, lower)
1
pedestrian(adjective, dull, simple, clean)
1
plebeian(adjective, dull, simple, lower, flat)
1
prose(adjective, simple, flat, clean)
1
sapless(adjective, dull, weak, thin, delicate)
1
soft(adjective, quiet, weak, gentle)
1
square(adjective, dull, simple, clean)
1
tasteless undistinctive(expression, dull, weak, mild)
1
tedious(adjective, dull, weak, simple)
1
unexceptional(adjective, simple, clean, ordinary)
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APASmart Define. (2015). zero thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/zero/thesaurus/synonyms
ChicagoSmart Define. 2015. "zero thesaurus" https://smartdefine.org/zero/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, zero thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/zero/thesaurus/synonyms>.
MLASmart Define. "zero thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/zero/thesaurus/synonyms>