15 entries under plain topic. ×

7
clear(adjective, bright, thin, obvious)
3
transparent(adjective, clear, bright, obvious)
2
intelligible(adjective, clear, bright, obvious)
2
lucid(adjective, clear, bright, thin)
2
transpicuous(adjective, clear, bright, thin)
2
unambiguous(adjective, clear, bright, obvious)
1
cellophane(adjective, clear, thin, transparent)
1
glassy(adjective, clear, thin, transparent)
1
hyaline(adjective, clear, thin, transparent)
1
lucent(adjective, clear, thin, straightforward)
1
permeable(adjective, clear, thin, transparent)
1
tiffany(adjective, clear, thin, transparent)
0
comprehensible(adjective, clear, bright, obvious)
0
understandable(adjective, clear, straightforward, obvious)
0
vitreous(adjective, clear, thin, transparent)
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APASmart Define. (2015). crystal-clear thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/crystal-clear/thesaurus/synonyms
ChicagoSmart Define. 2015. "crystal-clear thesaurus" https://smartdefine.org/crystal-clear/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, crystal-clear thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/crystal-clear/thesaurus/synonyms>.
MLASmart Define. "crystal-clear thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/crystal-clear/thesaurus/synonyms>