VenomousVEN'OMOUS, adjective1. Poisonous; noxious to animal life; as, the bite of a serpent may be venomous The sack at the base of the rattlesnake's teeth, contains venomous matter.2. Noxious; mischievous; malignant; as a venomous progeny.3. Spiteful; as a venomous writer.