virulent
1. [ adjective ] extremely poisonous or injurious; producing venom
Synonyms: venomous deadly
Examples:

"venomous snakes" "a virulent insect bite"

Related terms: toxic
2. [ adjective ] harsh or corrosive in tone
Synonyms: bitter blistering acid acrid venomous acerbic sulfurous sulphurous caustic vitriolic acerb
Examples:

"an acerbic tone piercing otherwise flowery prose" "a barrage of acid comments" "her acrid remarks make her many enemies" "bitter words" "blistering criticism" "caustic jokes" "a sulfurous denunciation"

Related terms: unpleasant
3. [ adjective ] infectious; having the ability to cause disease
Related terms: avirulent deadly highly_infective
Similar spelling:   virulently
  virulency
  virulence
  Vierling