66 entries under plain topic. ×

1
unaffected(adjective, simple, clean, pure)
1
Spartan(adjective, simple, clean, pure)
1
austere(adjective, simple, clean, pure)
1
authentic(adjective, simple, bright, clean)
1
complete(adjective, simple, excellent, clean)
1
discreet(adjective, simple, clean, pure)
1
elementary(adjective, simple, clean, pure)
1
fair(adjective, simple, bright, clean)
1
flawless(adjective, simple, excellent, bright, clean)
1
folksy(adjective, simple, clean, pure)
1
homey(adjective, simple, clean, pure)
1
inelaborate(adjective, simple, clean, pure)
1
kosher(adjective, simple, bright, clean)
1
lowly(adjective, simple, clean, pure)
1
not complex(expression, adjective, clean, pure)
1
open and shut(expression, adjective, idiom, clean)
1
plenary(adjective, simple, bright, clean)
1
pure and simple(expression, adjective, idiom, bright, clean)
1
rustic(adjective, simple, clean, pure)
1
sheer(adjective, simple, clean, pure)
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APASmart Define. (2016). classic thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/classic/thesaurus/synonyms
ChicagoSmart Define. 2016. "classic thesaurus" https://smartdefine.org/classic/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, classic thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/classic/thesaurus/synonyms>.
MLASmart Define. "classic thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/classic/thesaurus/synonyms>