| Word | Definitions | Synonyms |
|---|---|---|
| virucidal | (adjective) tending to destroy viruses | Synonyms: viricidal |
| virulent | (adjective) infectious; having the ability to cause disease | - |
| (adjective) extremely poisonous or injurious; producing venom | Synonyms: deadly, venomous | |
| (adjective) harsh or corrosive in tone | Synonyms: acerb, acerbic, acid, acrid, bitter, blistering, caustic, sulfurous, sulphurous, vitriolic |