0
spick-and-span
0
squeaky-clean
0
straight arrow
0
straight line
0
sustainable
0
sweet
0
sweet-smelling(dirty, indefinite)
0
transparent
0
ultrapure
0
ultrarefined
0
unblemished
0
uncombined
0
uncorrupted
0
uncut
0
undecorated
0
undefiled
0
unmingled
0
unornamented(difficult, dirty, indefinite)
0
unsophisticated
0
unspoiled
11 years ago|1.1k views|share |citing 
APASmart Define. (2015). polluted thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/polluted/thesaurus/antonyms
ChicagoSmart Define. 2015. "polluted thesaurus" https://smartdefine.org/polluted/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, polluted thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/polluted/thesaurus/antonyms>.
MLASmart Define. "polluted thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/polluted/thesaurus/antonyms>