64 entries under foul topic. ×

50
bad(adjective, quality, poor, sad, offensive)
44
ghastly(adjective, good, bad, nasty, offensive)
42
horrid(adjective, bad, nasty, offensive, unpleasant)
37
lousy(adjective, bad, rough, poor, nasty)
33
nasty(adjective, mean, bad, offensive, unpleasant)
24
offensive(adjective, bad, severe, nasty, unpleasant)
24
repulsive(adjective, bad, nasty, offensive, unpleasant)
23
disgusting(adjective, bad, nasty, offensive, unpleasant)
23
loathsome(adjective, bad, nasty, offensive, unpleasant)
22
revolting(adjective, bad, nasty, offensive, unpleasant)
21
obnoxious(adjective, bad, nasty, offensive, unpleasant)
19
horrifying(adjective, bad, terrible, shocking)
19
odious(adjective, bad, nasty, offensive, terrible)
17
nauseating(adjective, bad, nasty, offensive, unpleasant)
17
outrageous(adjective, bad, severe, nasty, offensive)
16
severe(adjective, bad, great, tender, offensive)
15
gross(adjective, mean, bad, rough, poor)
15
painful(adjective, bad, severe, tender, offensive)
15
repugnant(adjective, bad, nasty, offensive, unpleasant)
14
repellent(adjective, bad, nasty, offensive, unpleasant)
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APASmart Define. (2016). awful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/awful/thesaurus/synonyms
ChicagoSmart Define. 2016. "awful thesaurus" https://smartdefine.org/awful/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, awful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/awful/thesaurus/synonyms>.
MLASmart Define. "awful thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/awful/thesaurus/synonyms>