60 entries under plain topic. ×

18
transparent(adjective, clear, light, touch, pleasant)
17
limpid(adjective, calm, clear, touch, smooth)
15
lucid(adjective, clear, touch, simple, pleasant)
14
clear(adjective, calm, clear, touch, smooth)
12
translucent(adjective, clear, light, thin)
11
explicit(adjective, clear, simple, articulate)
8
bright(adjective, clear, simple, pleasant, clean)
7
luminous(adjective, clear, obvious, articulate)
6
understandable(adjective, simple, articulate, silver-tongued)
6
unmistakable
5
crystal(noun, adjective, clear, thin)
5
definite
5
direct
5
intelligible(adjective, clear, simple, articulate)
5
simple(adjective, clear, clean, genuine)
5
straightforward
4
apparent
4
unclouded(adjective, clear, simple, pleasant, bright)
3
comprehensible(adjective, clear, articulate, transparent)
3
defined
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APASmart Define. (2016). pellucid thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/pellucid/thesaurus/synonyms
ChicagoSmart Define. 2016. "pellucid thesaurus" https://smartdefine.org/pellucid/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, pellucid thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/pellucid/thesaurus/synonyms>.
MLASmart Define. "pellucid thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/pellucid/thesaurus/synonyms>