54 entries under plain topic. ×

22
lucid(adjective, quiet, clear, simple, easy)
22
understandable(adjective, clear, simple, knowledge, sharp)
19
clear(adjective, quiet, easy, sharp)
10
legible(adjective, clear, simple, easy, sharp)
9
explicit(adjective, simple, sharp, distinct)
9
straightforward(adjective, clear, simple, easy, sharp)
9
transparent(adjective, quiet, clear, simple, easy)
9
unmistakable(adjective, quiet, simple, easy, sharp)
8
knowable(adjective, simple, knowledge, sharp)
7
direct(adjective, articulate, succinct)
6
apparent(adjective, sharp, distinct, well-defined)
5
accessible
5
definite(adjective, clear, simple, sharp, bright)
5
pellucid(adjective, clear, simple, articulate)
5
self-explanatory(adjective, quiet, clear, smooth, easy)
4
bright(adjective, clear, transparent, translucent)
4
exact(adjective, definite, precise, distinct)
4
palpable(adjective, simple, sharp, sensitive)
4
patent(adjective, simple, sharp, sensitive)
4
self-evident(adjective, manifestation)
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APASmart Define. (2016). intelligible thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/intelligible/thesaurus/synonyms
ChicagoSmart Define. 2016. "intelligible thesaurus" https://smartdefine.org/intelligible/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, intelligible thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/intelligible/thesaurus/synonyms>.
MLASmart Define. "intelligible thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/intelligible/thesaurus/synonyms>