75 entries under decayed topic. ×

19
rancid(adjective, taste, nasty, unpleasant, rank)
13
off(adjective, strong, rank, inferior, foul)
12
rotten(adjective, bad, hard, evil, rough)
11
bad(adjective, nasty, offensive, unpleasant, rank)
11
dry(adjective, hard, taste, sharp, flat)
11
stale(adjective, hard, rank, corrupt, foul)
7
rank(adjective, hard, nasty, unpleasant, corrupt)
7
spoiled(adjective, hard, corrupt, disgusting, old)
6
musty(adjective, hard, rank, foul, disagreeable)
5
fetid(adjective, hard, rank, corrupt, foul)
5
flat(adjective, hard, severe, sharp, rough)
5
strong(adjective, sharp, powerful, rank, corrupt)
4
foul(adjective, rank, disgusting, horrible, disagreeable)
4
putrid(adjective, rank, foul, disagreeable, stale)
3
fusty(adjective, hard, rank, foul, disagreeable)
3
hard(adjective, tough, severe, evil, sharp)
3
malodorous(adjective, hard, rank, disagreeable, old)
3
noisome(adjective, hard, rank, corrupt, foul)
3
offensive(adjective, nasty, unpleasant, rank, foul)
2
disgusting(adjective, nasty, offensive, unpleasant, rank)
10 years ago|29k views|share |citing 
APASmart Define. (2016). sour thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sour/thesaurus/synonyms
ChicagoSmart Define. 2016. "sour thesaurus" https://smartdefine.org/sour/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, sour thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sour/thesaurus/synonyms>.
MLASmart Define. "sour thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/sour/thesaurus/synonyms>