289 entries under adjective topic. ×

1
debauched(evil, corrupt, wicked, dishonest)
1
demoniac(evil, vile, wicked, execrable)
1
demonic(evil, terrible, vile, wicked)
1
despisable
1
destructive
1
distressing
1
double-dealing(corrupt, dishonest, immoral, rotten)
1
duplicitous
1
evil-minded
1
exploiting(dishonest, immoral, rotten, untrustworthy)
1
extortionate(offensive, dishonest, extreme, immoral)
1
faithless(dishonest, immoral, rotten, untrustworthy)
1
fast and loose(expression, idiom, dishonest, immoral)
1
fearful
1
fierce
1
fixed(dishonest, immoral, rotten, untrustworthy)
1
fraudulent(corrupt, dishonest, immoral, rotten)
1
ghastly
1
gone to the dogs(expression, idiom, evil, corrupt)
1
heartless
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APASmart Define. (2015). nefarious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/nefarious/thesaurus/synonyms
ChicagoSmart Define. 2015. "nefarious thesaurus" https://smartdefine.org/nefarious/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, nefarious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/nefarious/thesaurus/synonyms>.
MLASmart Define. "nefarious thesaurus" 8 October 2015. Web. 22 September 2026. <https://smartdefine.org/nefarious/thesaurus/synonyms>