(of a disease or poison 疾病或毒物 extremely dangerous or harmful and quick to have an effect 致命的；恶性的；剧毒的 a virulent form of influenza 流感的强毒形式 a particularly virulent flu germ 一种特别致命的流感菌
- (formal)
showing strong negative and bitter feelings 狠毒的；恶毒的；不共戴天的 virulent criticism 恶意的批评 virulent nationalism 不共戴天的民族主义
Word Originlate Middle English (originally describing a poisoned wound): from Latin virulentus, from virus ‘poison’.