| furious(adjective, enthusiastic, ill, sick, fervent) | |
| hazardous(adjective, wicked, harmful, injurious, detrimental) | |
| heartless(adjective, evil, nasty, harsh, vicious) | |
| ill-natured(adjective, malevolent) | |
| intemperate(adjective, enthusiastic, ill, sick, fervent) | |
| irate | |
| mad(adjective, enthusiastic, wicked, ill, sick) | |
| maleficent | |
| menacing(injurious, damaging, destructive) | |
| mephitical(adjective, help, poisonous) | |
| merciless(adjective, evil, nasty, harsh, vicious) | |
| miasmic | |
| monstrous(adjective, evil, nasty, harsh, vicious) | |
| mournful | |
| nefarious(adjective, wicked, harmful, injurious, detrimental) | |
| peevish | |
| penetrating | |
| pugnacious(adjective, mean, nasty, unfriendly, hateful) | |
| rough | |
| ruthless(adjective, evil, nasty, harsh, vicious) |
For more, visit
Virulent on
Power Thesaurus
| APA | Smart Define. (2015). virulent thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/virulent/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "virulent thesaurus" https://smartdefine.org/virulent/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, virulent thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/virulent/thesaurus/synonyms>. |
| MLA | Smart Define. "virulent thesaurus" 3 August 2015. Web. 25 September 2026. <https://smartdefine.org/virulent/thesaurus/synonyms> |