6
sour(verb, adjective, trouble)
5
trouble
3
displease(verb, trouble)
3
worry(verb, trouble)
2
acetify
2
acidify
2
acidulate
2
aggravate(verb, upset)
2
disrupt(verb, trouble)
2
salt(noun, verb, trouble, sugar-coat, sugaring)
1
agitate(verb, upset)
1
annoy
1
arouse
1
become rotten
1
discommode
1
embitter
1
enrage
1
exacerbate
1
exasperate
1
incite(verb, upset)
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APASmart Define. (2015). sweeten thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sweeten/thesaurus/antonyms
ChicagoSmart Define. 2015. "sweeten thesaurus" https://smartdefine.org/sweeten/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, sweeten thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sweeten/thesaurus/antonyms>.
MLASmart Define. "sweeten thesaurus" 24 December 2015. Web. 25 September 2026. <https://smartdefine.org/sweeten/thesaurus/antonyms>