276 entries under adjective topic. ×

1
ordinary
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parallel(smooth, right, like, balanced)
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plain(quiet, soft, gentle, flat)
1
planate(quiet, smooth, soft, gentle)
1
plane(quiet, smooth, right, soft)
1
polished(quiet, soft, gentle, flat)
1
predictable
1
proportionate(like, balanced, identical, equivalent)
1
quiet(soft, gentle, flat, level)
1
rational(ordinary, usual, steady, regular)
1
recurrent
1
regularized(dull, steady, stable, regular)
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relentless(set, hard, stiff, persistent)
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repetitive
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resolved
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rhythmic(quiet, soft, gentle, flat)
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rigorous
1
rippleless(quiet, soft, gentle, flat)
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robot-like
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routine
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APASmart Define. (2015). invariable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/invariable/thesaurus/synonyms
ChicagoSmart Define. 2015. "invariable thesaurus" https://smartdefine.org/invariable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, invariable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/invariable/thesaurus/synonyms>.
MLASmart Define. "invariable thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/invariable/thesaurus/synonyms>