What is the meaning of virulent?

Extremely poisonous or injurious; producing venom.
- usage: "venomous snakes"; "a virulent insect bite"
- synonyms: deadly, venomous
Infectious; having the ability to cause disease.
Harsh or corrosive in tone.
- usage: "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 about political assassination, talk-show hosts and medical ethics"; "a sulfurous denunciation"; "a vitriolic critique"
- synonyms: acerb, acerbic, acid, acrid, bitter, blistering, caustic, sulfurous, sulphurous, vitriolic

|15 years ago|1.3k views|share |citing

APA	WordNet. (2010). virulent. Retrieved September 20, 2026, from http://smartdefine.org/virulent/definitions/1187930
Chicago	WordNet. 2010. "virulent" http://smartdefine.org/virulent/definitions/1187930 (accessed September 20, 2026).
Harvard	WordNet 2010, virulent, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/virulent/definitions/1187930>.
MLA	WordNet. "virulent" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/virulent/definitions/1187930>

Alternative definitions by