81 entries under foul topic. ×

36
fusty(adjective, hard, warm, difficult, rank)
25
musty(adjective, dull, set, strong, hard)
24
nasty(adjective, hard, difficult, rank, complex)
15
rotten(adjective, strong, offensive, sweet, rank)
12
rancid(adjective, rank, corrupt, disgusting)
11
fetid(adjective, strong, hard, warm, offensive)
11
putrid(adjective, quiet, strong, offensive, sweet)
11
rank(adjective, hard, corrupt, disgusting)
11
sour(adjective, hard, rank, corrupt)
9
bad(adjective, rank, corrupt, disgusting)
8
decayed(adjective, hard, corrupt, disgusting)
8
off(adjective, bad, rank, disagreeable)
8
smelly(adjective, strong, hard, warm, offensive)
8
tainted(adjective, rank, corrupt, disgusting)
7
malodorous(adjective, strong, hard, offensive, sweet)
7
moldy(adjective, strong, offensive, sweet, rank)
7
noisome(adjective, hard, rank, corrupt)
7
stagnant(adjective, quiet, strong, hard, flat)
7
unsavory(adjective, dull, strong, weak, flat)
6
reeking(adjective, strong, hard, offensive, sweet)
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APASmart Define. (2015). stale thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/stale/thesaurus/synonyms
ChicagoSmart Define. 2015. "stale thesaurus" https://smartdefine.org/stale/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, stale thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/stale/thesaurus/synonyms>.
MLASmart Define. "stale thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/stale/thesaurus/synonyms>