/ˈvɪrələnt;ˈvɪrjələnt ||; ˈvɪrələnt; ˈvɪrjələnt/adj1 (used about a poison or a disease) very strong and dangerous （指毒药或疾病）剧毒的，恶性的，致命的: a particularly virulent form of influenza 一种致命的流感
2 (formal 正式) very strong and full of anger 狠毒的；恶毒的: a virulent attack on the leader 对领袖的恶毒攻击