Definitions

1. adjective

poisonous or able to cause harm

“The snake’s venomous fangs were a warning to predators.”

2. adjective

having a poisonous effect

“The mushrooms were considered venefic to the local ecosystem.”

3. noun

a poisonous substance

“The researchers studied the properties of the venefic.”

4. verb

to poison or cause harm

“The farmer feared someone had venefic his livestock.”