2
legend(noun, prose)
2
manifestation(noun, visibility)
2
patentness(clearness, undoubtedness)
2
pellucidness(noun, quality, clear, simplicity, certainty)
2
penetrability(noun, simplicity, brightness, certainty, evidence)
2
plain speaking(expression, idiom, manifestation)
2
salience(noun, simplicity, brightness, certainty, evidence)
2
unambiguity(noun, simplicity, brightness, certainty, evidence)
2
unambiguousness(noun, directness, obviousness)
2
unequivocalness(ease, simplicity, facility)
2
unguardedness
2
uniformity(ease, simplicity, facility, straightforwardness, effortlessness)
2
unity(ease, simplicity, facility, straightforwardness, effortlessness)
2
unmistakability(noun, simplicity, brightness, certainty, evidence)
2
unmistakableness(clearness, undoubtedness)
2
unobtrusiveness(noun, humility)
2
unostentatiousness(noun, plain, modesty)
2
unreserve
2
unreservedness
2
unsophisticatedness(simplicity, crudeness, innocence, inexperience)
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APASmart Define. (2015). plainness thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/plainness/thesaurus/synonyms
ChicagoSmart Define. 2015. "plainness thesaurus" https://smartdefine.org/plainness/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, plainness thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/plainness/thesaurus/synonyms>.
MLASmart Define. "plainness thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/plainness/thesaurus/synonyms>