134 entries under adjective topic. ×

10
sour(rank, disagreeable, bitter, stale)
8
turned(verb, sharp, unpleasant, rank)
7
foul
7
rancid(sharp, unpleasant, rank, bitter)
7
stale
7
tainted
6
off
6
rotten
5
embittered(dissatisfied, disappointed, jaundiced, disillusioned)
4
acidified
4
acidulated(bad, sharp, unhappy, unpleasant)
4
dissatisfied(bad, unhappy, negative, disappointed)
4
fermented(verb, sharp, unpleasant, bitter)
4
rank
3
annoyed(bad, unhappy, negative)
3
bad(sharp, unpleasant, rank, disagreeable)
3
bitter(sharp, unpleasant, sour, musty)
3
choleric
3
contaminated
3
crabbed(bad, unhappy, negative)
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APASmart Define. (2015). soured thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/soured/thesaurus/synonyms
ChicagoSmart Define. 2015. "soured thesaurus" https://smartdefine.org/soured/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, soured thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/soured/thesaurus/synonyms>.
MLASmart Define. "soured thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/soured/thesaurus/synonyms>