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n. Any of several venomous Old World snakes of the family Viperidae, having a single pair of long, hollow fangs and a thick, heavy body. Also called adder2.

n. A pit viper.

n. A venomous or supposedly venomous snake.

n. A person regarded as malicious or treacherous.

n. A poisonous snake in the family Viperidae.

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

n. A dangerous, treacherous, or malignant person.

n. Loosely, any venomous or presumed venomous snake.

n. 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.

n. 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.

n. 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.

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

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

"The word viper is interesting; coming directly from the Romans, who wrote it _vipera_."

serpent    snake    ophidian   

russell's viper    blowing-viper    yellow viper    pit viper    plumed vipor    red viper    viper's dance    water-viper    black viper    indian viper   

common viper    horned asp    pit viper    vipera aspis    adder    Gaboon viper    bitis arietans    cerastes cornutus    horned viper    asp viper   

viperish   

adder   

Piper    diaper    hyper    piper    sniper    striper    wiper   

adder    rattlesnake    serpent    cobra    scorpion    toad    reptile    vermin    lizard    newt