15
sour(adjective, mean, rough, harsh)
10
acid(noun, adjective, mean, rough, harsh)
9
fetid(adjective, foul, rancid)
8
stinking(adjective, mean, rough, harsh)
8
abominable(adjective, awful, detestable)
8
acidulous(adjective, bitter, sour)
7
bitter(adjective, sharp, nasty, hostile, pungent)
7
horrible(adjective, mean, rough, harsh)
7
outcast
7
querulous
6
unpleasant(adjective, mean, rough, harsh)
6
malodorous(adjective, mean, rough, harsh)
6
acerbic
6
acrimonious
6
smelly
6
stinky(adjective, good, mean, rough, harsh)
5
foul(adjective, good, pleasant, gentle)
5
cacophonous(adjective, mean, rough, harsh)
5
petulant
5
pungent
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APASmart Define. (2016). sweet thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sweet/thesaurus/antonyms
ChicagoSmart Define. 2016. "sweet thesaurus" https://smartdefine.org/sweet/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, sweet thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sweet/thesaurus/antonyms>.
MLASmart Define. "sweet thesaurus" 1 April 2016. Web. 24 September 2026. <https://smartdefine.org/sweet/thesaurus/antonyms>