Something which adds or increases.
Any of several genera (esp. Naja) of very poisonous elapine snakes of Asia and Africa, having around the neck loose skin which is expanded into a hood when the snake is excited
A venomous snake (Agkistrodon contortrix) of the eastern and central United States and northern Mexico, having a tan body with reddish-brown crossbands.
Any of a limbless suborder (Serpentes, order Squamata) of reptiles with an elongated, scaly body, lidless eyes, and a tapering tail: some species have a poisonous bite
Any of several venomous snakes, especially the viper Vipera aspis of southern Europe, the cobra Naja haje of Africa and the Middle East, or the horned viper.
Find another word for viper. In this page you can discover 6 synonyms, antonyms, idiomatic expressions, and related words for viper, like: adder, cobra, copperhead, rattlesnake, snake and asp.