112 entries under easy topic. ×

14
downright(adjective, clear, open, direct, free)
14
forthright(adjective, good, open, light, direct)
14
naive(adjective, open, direct, free, simple)
13
elementary(adjective, clear, light, smooth, simple)
13
natural(adjective, open, direct, free, simple)
13
outspoken(adjective, clear, open, direct, free)
13
unsophisticated(adjective, open, simple, honest)
12
basic(adjective, clear, light, smooth, simple)
12
intelligible(adjective, clear, simple, sharp)
11
guileless(adjective, open, direct, free, simple)
11
homey(adjective, quality, open, simple)
11
legible(adjective, clear, simple, sharp)
11
outright(adjective, good, clear, open, direct)
11
rustic(adjective, open, simple, clean)
11
smooth(adjective, characteristic, calm, clear, light)
11
uncomplicated(adjective, clear, light, smooth, simple)
10
unconcealed(adjective, clear, open, direct, free)
10
undisguised(adjective, good, clear, open, free)
9
clean(adjective, clear, simple, sharp)
9
familiar(adjective, dull, open, free, simple)
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APASmart Define. (2016). plain thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/plain/thesaurus/synonyms
ChicagoSmart Define. 2016. "plain thesaurus" https://smartdefine.org/plain/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, plain thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/plain/thesaurus/synonyms>.
MLASmart Define. "plain thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/plain/thesaurus/synonyms>