|1.||a. (of a microorganism) extremely infective|
|b. (of a disease) having a rapid course and violent effect|
|2.||extremely poisonous, injurious, etc|
|3.||extremely bitter, hostile, etc|
|[C14: from Latin vīrulentus full of poison, from vīrus poison; see |
virulent vir·u·lent (vēr'yə-lənt, vēr'ə-)
Extremely infectious, malignant, or poisonous. Used of a disease or toxin.
Capable of causing disease by breaking down protective mechanisms of the host. Used of a pathogen.
Intensely irritating, obnoxious, or harsh.