132 entries under plain topic. ×

10
unequivocal(adjective, clear, sharp, obvious)
9
genuine(adjective, simple, bright, clean)
9
understandable(adjective, clear, simple, sharp)
7
honest(adjective, open, free, easy, friendly)
7
bright(adjective, clear, simple, pleasant, clean)
7
frank(adjective, open, free, easy, friendly)
7
intelligible(adjective, quiet, clear, simple, easy)
7
light(adjective, quiet, clear, weak, smooth)
7
luminous(adjective, clear, bright, brilliant)
7
sincere(adjective, open, direct, free, easy)
6
straight(adjective, open, direct, free, easy)
6
artless(adjective, open, direct, free, easy)
6
definite(adjective, clear, simple, sharp)
6
forthright(adjective, open, free, honest)
6
palpable(adjective, clear, simple, sharp)
6
tangible(adjective, obvious, manifest, evident)
6
undisguised(adjective, open, direct, free, easy)
6
visible(adjective, clear, obvious, manifest)
5
downright(clear, open, free, honest)
5
naive(adjective, open, direct, free, easy)
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APASmart Define. (2016). transparent thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/transparent/thesaurus/synonyms
ChicagoSmart Define. 2016. "transparent thesaurus" https://smartdefine.org/transparent/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, transparent thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/transparent/thesaurus/synonyms>.
MLASmart Define. "transparent thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/transparent/thesaurus/synonyms>