465 entries under awful topic. ×

12
degenerate(adjective, action, bad, wrong, evil)
12
disgustful(adjective, taste, terrible, horrible)
12
grisly(adjective, evil, nasty, plain, unpleasant)
12
lurid(adjective, taste, terrible, endured)
12
unsavoury(adjective, taste, terrible, horrible)
11
feculent(adjective, feature, bad, spoil, dark)
11
horrendous(adjective, feature, bad, negative)
11
icky(adjective, bad, nasty, offensive, unpleasant)
10
afoul(adjective, adverb, feature, bad, spoil)
10
brackish(adjective, taste, terrible, horrible)
10
crummy(adjective, nasty, terrible, horrible)
10
dishonourable(adjective, feature, bad, spoil)
10
infringement(noun, bad, spoil, terrible)
10
lousy(adjective, good, bad, nasty, offensive)
10
naughty(adjective, society, wicked, sex, metters)
10
putrescent(adjective, feature, bad)
10
repelling(adjective, plain, unpleasant, disgusting)
10
salacious(adjective, society, sex, metters, feature)
10
scurvy(noun, adjective, feature, bad, spoil)
10
slimy(adjective, nasty, terrible, horrible)
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APASmart Define. (2016). foul thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/foul/thesaurus/synonyms
ChicagoSmart Define. 2016. "foul thesaurus" https://smartdefine.org/foul/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, foul thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/foul/thesaurus/synonyms>.
MLASmart Define. "foul thesaurus" 29 March 2016. Web. 30 September 2026. <https://smartdefine.org/foul/thesaurus/synonyms>