Virulent (adj)
vir-oo-lent
(of a disease or poison) extremely severe or harmful in its effects.
Bitterly hostile.
Late Middle English (originally describing a poisoned wound): from Latin virulentus, from virus ‘poison’ (see virus).
Example sentences
“The virus was so virulent, it killed everything before the weekend was out.”
Ireful (adj) ayur-ful full of intense anger; wrathful. Middle English word dating back to 1250–1300; ire, -ful (more…)







