83 entries under plain topic. ×

1
quiet(adjective, calm, clear, smooth, reasonable)
1
twenty-four carat(expression, adjective, simple, bright, clean)
1
unalloyed(adjective, simple, bright, clean)
1
understandable easy(expression, quiet, clear, smooth, easy)
1
uninvolved(adjective, quiet, clear, smooth, easy)
1
unmingled(adjective, simple, bright, clean)
1
walkover(adjective, quiet, clear, smooth, easy)
0
absolute(clear, obvious)
0
categorical(clear, straightforward, definite, precise)
0
cinch(adjective, quiet, clear, smooth, easy)
0
complete(adjective, simple, clean, wholesome)
0
correct(clear, obvious)
0
definitive(clear, straightforward, precise, obvious)
0
easy as pie(expression, adjective, idiom, quiet, clear)
0
effortless(adjective, quiet, clear, smooth, easy)
0
facile(adjective, quiet, clear, smooth, easy)
0
flawless(adjective, simple, bright, clean)
0
frank(clear, obvious)
0
genuine(adjective, simple, bright, clean)
0
manageable(adjective, quiet, clear, smooth, easy)
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APASmart Define. (2016). lucid thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/lucid/thesaurus/synonyms
ChicagoSmart Define. 2016. "lucid thesaurus" https://smartdefine.org/lucid/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, lucid thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/lucid/thesaurus/synonyms>.
MLASmart Define. "lucid thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/lucid/thesaurus/synonyms>