149 entries under plain topic. ×

2
alike(adjective, adverb, calm, smooth, flat)
2
blah(adjective, dull, simple, flat)
2
colorless(adjective, dull, simple, flat, rough)
2
dead(adjective, dull, hard, simple, flat)
2
known(adjective, important, famous, familiar)
2
lifeless(adjective, dull, simple, ordinary)
2
matter-of-fact(adjective, dull, simple, reasonable, sensible)
2
petty(adjective, mean, simple, lower, obscure)
2
plastic(adjective, dull, moderate, poor, low)
2
rotten(adjective, mean, bad, weak, simple)
2
same(adjective, calm, smooth, flat)
2
unnoteworthy(adjective, dull, simple, indifferent)
2
vanilla(adjective, dull, simple, pure)
2
wrong(adjective, simple, immoral, shameful)
1
actual(adjective, simple, clean, ordinary)
1
aligned(adjective, calm, smooth, flat)
1
balanced(adjective, calm, smooth, flat)
1
calm(adjective, smooth, flat, level)
1
clean(adjective, simple, pure, ordinary)
1
commensurate(adjective, calm, smooth, flat)
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APASmart Define. (2016). common thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/common/thesaurus/synonyms
ChicagoSmart Define. 2016. "common thesaurus" https://smartdefine.org/common/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, common thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/common/thesaurus/synonyms>.
MLASmart Define. "common thesaurus" 23 March 2016. Web. 21 September 2026. <https://smartdefine.org/common/thesaurus/synonyms>