214 entries under clear topic. ×

12
intelligible(adjective, simple, easy, sharp)
12
noticeable(adjective, see, obvious, visible)
12
overt(adjective, open, obvious, artless)
11
broad(adjective, see, full, obvious)
11
easy(adjective, quiet, open, light)
11
express(verb, adjective, simple, right)
11
indisputable(adjective, simple, true, straightforward)
11
legible(adjective, simple, easy, sharp)
11
observable(adjective, see, substantial, obvious)
11
out-and-out(adjective, complete, simple, flat)
11
outright(adjective, good, open, direct)
11
perspicuous(adjective, sharp, definite, distinct)
11
routine(adjective, good, dull, simple)
11
severe(adjective, calm, simple, harsh)
11
smooth(adjective, characteristic, calm, light)
11
uncomplicated(adjective, light, smooth, simple)
11
unqualified(adjective, open, right, friendly)
11
well-defined(adjective, sharp, exact, straightforward)
10
unconcealed(adjective, open, direct, free)
10
undisguised(adjective, good, open, free)
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APASmart Define. (2016). plain thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/plain/thesaurus/synonyms
ChicagoSmart Define. 2016. "plain thesaurus" https://smartdefine.org/plain/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, plain thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/plain/thesaurus/synonyms>.
MLASmart Define. "plain thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/plain/thesaurus/synonyms>