69 entries under clean topic. ×

38
clear(adjective, clear, sound, touch, reasonable)
32
plain(adjective, calm, clear, simple, easy)
24
intelligible(adjective, quiet, clear, simple, easy)
18
transparent(adjective, quiet, clear, touch, pleasant)
16
limpid(adjective, clear, touch, fine, bright)
13
pellucid(adjective, clear, touch, simple, pleasant)
13
unmistakable(adjective, quiet, clear, simple, easy)
12
bright(adjective, clear, pleasant, bright)
12
crystalline(adjective, clear, touch, bright)
8
pure(adjective, clear, bright, thin)
8
simple(adjective, clear, easy, sharp)
4
unclouded(adjective, clear, simple, pleasant, bright)
4
wholesome(adjective, rational, healthy, stable)
3
fair(adjective, clear, sound, pleasant, reasonable)
3
self-explanatory(adjective, quiet, clear, smooth, easy)
3
sparkling(adjective, bright, glassy)
2
classic(adjective, simple, bright, plain)
2
neat(adjective, clear, simple, bright)
2
perfect(adjective, simple, bright, plain)
2
refined(adjective, articulate, wholesome, unpolluted)
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APASmart Define. (2016). lucid thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/lucid/thesaurus/synonyms
ChicagoSmart Define. 2016. "lucid thesaurus" https://smartdefine.org/lucid/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, lucid thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/lucid/thesaurus/synonyms>.
MLASmart Define. "lucid thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/lucid/thesaurus/synonyms>