21
slanderous(adjective, law, attack, offensive, rude)
20
calumnious(adjective, law, attack, offensive, unpleasant)
18
calumniatory(adjective, false, untrue, injurious, scornful)
16
abusive(adjective, disapprobation, insulting, detraction, slanderous)
15
libellous(adjective, insulting)
14
deprecatory(adjective, offensive, disparaging, insulting, detraction)
14
derogatory(adjective, offensive, critical, unfavorable, disparaging)
12
disparaging(adjective, offensive, rude, critical, unfavorable)
12
libelous(adjective, law, attack, offensive, rude)
11
injurious(adjective, law, attack, offensive, false)
11
scurrilous(adjective, vulgar, detraction)
10
denigrating(adjective, slanderous, libelous)
10
vituperative(adjective, disapprobation, abusive, slanderous, libelous)
9
offensive(adjective, rude, unpleasant, scornful, contemptuous)
9
scandalous(adjective, law, attack, disreputable, crimes)
8
insulting(adjective, offensive, rude, unpleasant, scornful)
8
opprobrious(adjective, offensive, rude, false, hateful)
6
aspersive(adjective, false, untrue, injurious)
6
denigrative
6
foul
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APASmart Define. (2015). defamatory thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/defamatory/thesaurus/synonyms
ChicagoSmart Define. 2015. "defamatory thesaurus" https://smartdefine.org/defamatory/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, defamatory thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/defamatory/thesaurus/synonyms>.
MLASmart Define. "defamatory thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/defamatory/thesaurus/synonyms>