77 entries under spoil topic. ×

6
twist(verb, promote, fake, alter)
6
water down(verb, expression, phrasal verb, cut, decline)
5
garble(verb, promote, fake, twist)
5
amalgamate(verb, cut, ruin, join)
5
commingle(verb, cut, ruin, join)
5
deteriorate(verb, cut, decline, ruin, fail)
5
foul(verb, hurt, harm, dirty)
5
misrepresent(verb, fake, twist, alter)
5
spike(verb, cut, hurt, reduce, ruin)
4
attenuate(verb, reduce, thin, alter)
4
cook(verb, cut, hurt, reduce, ruin)
4
denature(verb, reduce, alter, corrupt)
4
desecrate(verb, corrupt, foul, taint)
4
devalue(verb, reduce, alter, corrupt)
4
intermix(verb, alter, corrupt, mix)
4
mix(noun, verb, reduce, join, thin)
4
plant(verb, reduce, thin, alter)
4
sully(verb, hurt, harm, dirty)
3
blend(verb, cut, ruin, join)
3
cheapen(verb, alter, corrupt, degrade)
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APASmart Define. (2016). adulterate thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/adulterate/thesaurus/synonyms
ChicagoSmart Define. 2016. "adulterate thesaurus" https://smartdefine.org/adulterate/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, adulterate thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/adulterate/thesaurus/synonyms>.
MLASmart Define. "adulterate thesaurus" 29 February 2016. Web. 1 October 2026. <https://smartdefine.org/adulterate/thesaurus/synonyms>