640 entries under adjective topic. ×

7
inoffensive(dull, acceptable, faultless, innocuous)
7
law-abiding(feature, characteristic, honor, detail)
7
purified(pure, fresh, neat, wholesome)
7
refined(quiet, simple, perfect, pure)
7
regular(property, beautiful, neat, tidy)
7
sheer(simple, plain, pure, modest)
7
stark(clear, simple, plain, pure)
7
sterling(feature, characteristic, honor, detail)
7
total(complete, quantity, wholesome, unpolluted)
7
true(feature, characteristic, good, honor)
7
trustworthy(feature, characteristic, good, honor)
7
unobjectionable(dull, pleasant, acceptable, faultless)
6
absolute(complete, plain, pure, natural)
6
adept(ability, informal, expert, skilled)
6
admirable(feature, characteristic, honor, detail)
6
austere(quiet, simple, plain, pure)
6
bright(clear, perfect, dirty, fresh)
6
definite(clear, sharp, bright, precise)
6
dignified(feature, characteristic, honor, detail)
6
fastidious
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APASmart Define. (2016). clean thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/clean/thesaurus/synonyms
ChicagoSmart Define. 2016. "clean thesaurus" https://smartdefine.org/clean/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, clean thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/clean/thesaurus/synonyms>.
MLASmart Define. "clean thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/clean/thesaurus/synonyms>