115 entries under plain topic. ×

3
straight(open, simple, honest, pure)
3
unembellished(adjective, simple, tough, reasonable, clean)
3
unostentatious(adjective, simple, reasonable, clean, honest)
2
absolute(adjective, clean, physical, material)
2
austere(adjective, quiet, clean, pure)
2
childlike(adjective, open, simple, easy, honest)
2
classic(adjective, simple, clean, pure)
2
confiding(simple, innocent, sincere, artlessness)
2
discreet(adjective, simple, reasonable, clean, honest)
2
dry(adjective, simple, tough, reasonable)
2
inelaborate(adjective, simple, reasonable, clean, honest)
2
jejune(simple, innocent, sincere, childlike)
2
original(simple, physical, material, innocent)
2
prosaic(adjective, simple, tough, honest)
2
single(adjective, simple, clean, honest)
2
square(adjective, open, simple, honest)
2
unadulterated(adjective, simple, clean, pure)
2
uncomplicated(adjective, simple, clean, pure)
2
unobtrusive(adjective, simple, reasonable, honest, delicate)
2
unqualified(adjective, simple, clean, pure)
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APASmart Define. (2016). unaffected thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unaffected/thesaurus/synonyms
ChicagoSmart Define. 2016. "unaffected thesaurus" https://smartdefine.org/unaffected/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, unaffected thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unaffected/thesaurus/synonyms>.
MLASmart Define. "unaffected thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/unaffected/thesaurus/synonyms>