virulent

adj 1: extremely poisonous or injurious; producing venom; "venomous

snakes"; "a virulent insect bite" [syn: {deadly}, {venomous}]

2: infectious; having the ability to cause disease [ant: {avirulent}]

3: harsh or corrosive in tone; "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" [syn: {acerb}, {acerbic}, {acid},

{acrid}, {bitter}, {blistering}, {caustic}, {sulfurous}, {sulphurous},

{venomous}, {vitriolic}]