1. Extremely poisonous or injurious; producing venom
   "a virulent insect bite"
   - deadly, venomous 
2. Infectious; having the ability to cause disease 
3. Harsh or corrosive in tone
   - acerb, acerbic, acid, acrid, bitter, blistering, caustic, sulfurous [N. Amer], sulphurous [Brit, Cdn], vitriolic, sulphureous [Brit]

See also: deadly, highly infective, toxic, unpleasant, virulence, virulency, virulently

Antonym: avirulent

Encyclopedia: Virulent

• aniconic
• anicteric
• Anigozanthus
• Anigozanthus manglesii
• anil
• anile
• aniline
• aniline dye
• aniline oil
• anilingus
• anima
• animadversion
• animadvert
• animal
• animal black
• animal charcoal
• animal communication
• animal disease
• animal fancier
• animal fat
• animal fiber
• animal fibre
• animal foot
• animal glue
• animal group