noun. Any of various venomous snakes of the family Viperidae, having a thick heavy body and a single pair of long hollow fangs, especially the Eurasian and African species of the subfamily Viperinae, which lack the sensory pits of the pit vipers.

noun. Any of several harmless snakes sometimes believed to be venomous.

noun. A person regarded as malicious or treacherous.

noun. A venomous snake of the family Viperidæ: originally and especially applied to the only serpent of this kind occurring in the greater part of Europe, Vipera communis Or Pelias beruts.

noun. Any venomous serpent except a rattlesnake; a viperine; a cobriform and not crotali form serpent, as a cobra, asp, or adder; also, loosely, any serpent that is venomous, or supposed to be so; a dangerous, repulsive, or ugly snake.

noun. In heraldry, a serpent used as a bearing, some writers avoid the word serpent and use viper instead, there being no difference in the representations.

noun. One who or that which is mischievous or malignant.

noun. Any one of numerous species of Old World venomous snakes belonging to Vipera, Clotho, Daboia, and other genera of the family Viperidæ.

noun. A dangerous, treacherous, or malignant person.

noun. Loosely, any venomous or presumed venomous snake.

noun. See Cerastes.

noun. the copperhead.

noun. a small, slender, phosphorescent deep-sea fish (Chauliodus Sloanii). It has long ventral and dorsal fins, a large mouth, and very long, sharp teeth.

noun. a rough-leaved biennial herb (Echium vulgare) having showy purplish blue flowers. It is sometimes cultivated, but has become a pestilent weed in fields from New York to Virginia. Also called blue weed.

noun. a perennial composite herb (Scorzonera Hispanica) with narrow, entire leaves, and solitary heads of yellow flowers. The long, white, carrot-shaped roots are used for food in Spain and some other countries. Called also viper grass.

noun. A poisonous snake in the family Viperidae.

noun. venomous Old World snakes characterized by hollow venom-conducting fangs in the upper jaw

"Take the type 45 for example the sea viper is a navalised version of the French Astor which is in service."

black viper  blowing-viper  horned viper  indian viper  pit viper  

viperish  

ophidian  serpent  snake  

Gaboon viper  adder  asp  asp viper  bitis arietans  

Piper  diaper  hyper  piper  sniper  

adder  alligator  basilisk  cobra  cockatrice  

adder  animal  beast  cur  dog