Bible Verses About Adder: A venomous serpent.

Dan will be a serpent on the trail, an adder in the path, That bites the horse’s heels, so that his rider falls backward.

Their poison is like the poison of a snake; like a deaf cobra that stops its ear,

You will tread on the lion and cobra. You will trample the young lion and the serpent underfoot.

They have sharpened their tongues like a serpent. Viper’s poison is under their lips. Selah.

In the end, it bites like a snake, and poisons like a viper.