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1. 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.
2. Any of several harmless snakes sometimes believed to be venomous.
3. A person regarded as malicious or treacherous.
1. (Animals) any venomous Old World snake of the family Viperidae, esp any of the genus Vipera (the adder and related forms), having hollow fangs in the upper jaw that are used to inject venom
2. (Animals) any of various other snakes, such as the horned viper
3. (Animals) See pit viper
4. a malicious or treacherous person
[C16: from Latin vīpera, perhaps from vīvus living + parere to bear, referring to a tradition that the viper was viviparous]
1. any venomous snake of the cosmopolitan family Viperidae, characterized by a pair of hollow fangs that can be erected for biting and injecting venom: includes the adders, puff adders, and pit vipers.
2. any of various other venomous or supposedly venomous snakes.
3. a malignant, spiteful, or treacherous person.
[1520–30; < Latin vīpera, haplological variant of *vīvipera, n. use of feminine of *vīviper, later (as re-formation) vīviparus viviparous]
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|Noun||1.||viper - venomous Old World snakes characterized by hollow venom-conducting fangs in the upper jaw|
Bitis gabonica, gaboon viper - large heavy-bodied brilliantly marked and extremely venomous west African viper
cerastes, Cerastes cornutus, horned asp, horned viper, sand viper - highly venomous viper of northern Africa and southwestern Asia having a horny spine above each eye
pit viper - New World vipers with hollow fangs and a heat-sensitive pit on each side of the head
viper[ˈvaɪpəʳ] N (lit, fig) → víbora f
viper[ˈvaɪpəʳ] n (Zool) (also) (fig) → vipera
an adder. adder أفْعى пепелянка víbora zmije die Viper hugorm οχιάvíbora rästik افعی kyy vipère נְחַש צֶפַע एक प्रकार का सांप zmija, guja vipera ular berbisa (eitur)naðra/snákur vipera 毒ヘビ 살무사 gyvatė odze ular kapak adderslange; hoggormżmija يو ډول وښ لرونكى منګور، يو ډول ډير زهر جن مار: ټګ، درغل، دوكه مار، خائن، بدى، بدو víbora viperă гадюка vretenica gad zlobna osoba huggorm งูพิษชนิดหนึ่ง engerek yılanı 毒蛇 гадюка سانپ، افعي rắn vipe 蝰蛇，毒蛇，阴险恶毒的人