say it: VIR-uh-luhnt
virulent is an adjective meaning "extremely poisonous or injurious; producing venom". It carries 3 recorded senses.
infectious; having the ability to cause disease
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”
“a vitriolic critique”
Definitions, synonyms and semantic relations for virulent come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.