72 entries under plain topic. ×

30
pure(adjective, good, sound, complete, simple)
23
unmixed(adjective, strong, sound, complete, simple)
22
unalloyed(adjective, sound, complete, simple, clean)
16
absolute(adjective, complete, limit, clean, total)
13
perfect(adjective, complete, simple, clean, total)
13
sheer(adjective, complete, simple, clean, total)
12
simple(adjective, complete, simple, clean, total)
10
clean(adjective, simple, pure, natural)
9
neat(adjective, simple, clean, pure)
8
clear(adjective, complete, simple, sharp, clean)
8
genuine(adjective, good, sound, simple, right)
8
straight(adjective, strong, clean, rich)
8
unqualified(adjective, complete, simple, clean, total)
7
unblended(adjective, clean, pure, natural)
6
candid(adjective, simple, true, straightforward)
6
flawless(adjective, simple, clean, pure)
6
uncomplicated(adjective, simple, clean, pure)
6
unmitigated(adjective, complete, clean, total)
5
authentic(adjective, good, sound, simple, right)
5
elementary(adjective, simple, clean, pure)
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APASmart Define. (2015). unadulterated thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unadulterated/thesaurus/synonyms
ChicagoSmart Define. 2015. "unadulterated thesaurus" https://smartdefine.org/unadulterated/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unadulterated thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unadulterated/thesaurus/synonyms>.
MLASmart Define. "unadulterated thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/unadulterated/thesaurus/synonyms>