135 entries under foul topic. ×

14
poisonous(adjective, health, mean, bad, taste)
13
unappetizing(adjective, dull, bad, offensive, unpleasant)
13
lousy(adjective, good, bad, hard, rough)
12
mucky(adjective, offensive, dark, unpleasant, awful)
12
ungodly(adjective, religion, bad, offensive, unpleasant)
11
impure(adjective, bad, mixed, blue, evil)
11
outrageous(adjective, bad, blue, offensive, unpleasant)
11
putrid(adjective, taste, offensive, unpleasant, awful)
11
rancid(adjective, bad, unpleasant, rank)
11
rank(adjective, blue, offensive, unpleasant, awful)
11
raunchy(adjective, bad, blue, slang, informal)
10
hellish(adjective, bad, evil, taste, offensive)
10
stinking(adjective, bad, evil, offensive, unpleasant)
9
damaging(adjective, health, bad, offensive, cruel)
9
defiled(adjective, property, dirty, coarse)
9
fetid(adjective, bad, offensive, unpleasant, rank)
9
icky(adjective, bad, pleasant, offensive, unpleasant)
9
injurious(adjective, health, person, mean, bad)
9
malodorous(adjective, bad, offensive, unpleasant, rank)
9
sour(adjective, mean, bad, hard, severe)
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APASmart Define. (2016). nasty thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/nasty/thesaurus/synonyms
ChicagoSmart Define. 2016. "nasty thesaurus" https://smartdefine.org/nasty/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, nasty thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/nasty/thesaurus/synonyms>.
MLASmart Define. "nasty thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/nasty/thesaurus/synonyms>