virulent
/ˈvɪrulənt; `vɪrʊlənt/ adj
1 [esp attrib 尤作定语]
(of a disease or poison) extremely harmful or deadly （指疾病或毒物）致命的, 剧毒的
a virulent strain of flu 一种致命的流感.
2 (fml 文) strongly and bitterly hostile 恶意的; 仇恨的
virulent abuse 衔恨的辱骂
make a virulent attack on the press 恶意抨击新闻界
a particularly virulent form of racism 不共戴天的种族主义表现.