1,192 entry under adjective topic. ×

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unscrupulous(mean, nasty, base, dirty)
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unsporting(dirty, unreasonable, dishonest, immoral)
9
Fescennine(feature, bad, awful, decent)
9
crude(feature, bad, rude, awful)
9
damnable(bad, evil, nasty, awful)
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dire(endured, inexpedience)
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entangled(feature, state, bad, awful)
9
flagitious(feature, bad, awful, negative)
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grungy(bad, nasty, dirty, sloppy)
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horrifying(feature, bad, awful, endured)
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immodest(blue, nasty, offensive, rude)
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malevolent(mean, bad, wrong, evil)
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murky(obscure, nasty, dark, violent)
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shady(dirty, corrupt, dishonest, raw)
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sloppy(dull, flat, nasty, gloomy)
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stale(quiet, strong, offensive, sweet)
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suggestive(society, sex, metters, feature)
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tempestuous(nature, bad, severe, awful)
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unsanitary(nasty, dirty, sloppy, filthy)
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accursed(taste, nasty, awful, terrible)
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APASmart Define. (2016). foul thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/foul/thesaurus/synonyms
ChicagoSmart Define. 2016. "foul thesaurus" https://smartdefine.org/foul/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, foul thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/foul/thesaurus/synonyms>.
MLASmart Define. "foul thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/foul/thesaurus/synonyms>