2
snappish
2
soured
2
stale(adjective, unappealing)
2
stenchy
2
subacid
2
sugarless
2
surly
2
tangy
2
testy
2
unhappy(adjective, mean, rough, harsh)
2
unkind
2
unlikable
2
unlovely
2
unmelodic
2
unpalatable
2
unsweet
2
unwelcome
2
yucky
1
abandoned
1
abhorred
10 years ago|8.4k views|share |citing 
APASmart Define. (2016). sweet thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sweet/thesaurus/antonyms
ChicagoSmart Define. 2016. "sweet thesaurus" https://smartdefine.org/sweet/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, sweet thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sweet/thesaurus/antonyms>.
MLASmart Define. "sweet thesaurus" 1 April 2016. Web. 25 September 2026. <https://smartdefine.org/sweet/thesaurus/antonyms>