viper

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noun vi·per \ˈvī-pər\

Definition of viper

  1. 1 a :  a common Eurasian venomous snake (Vipera berus) that attains a length of about two feet (0.6 meter), varies in color from red, brown, or gray with dark markings to black, and is usually not fatal to humans; broadly :  any of a family (Viperidae) of venomous snakes that includes Old World snakes (subfamily Viperinae) and the pit vipers b :  a venomous or reputedly venomous snake

  2. 2 :  a vicious or treacherous person

Examples of viper in a sentence

  1. <a viper sliding silently through the field>

Origin and Etymology of viper

Middle English vipere, from Latin vipera


First Known Use: 15th century


VIPER Defined for English Language Learners

viper

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noun vi·per \ˈvī-pər\

Definition of viper for English Language Learners

  • : a type of poisonous snake


VIPER Defined for Kids

viper

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noun vi·per \ˈvī-pər\

Definition of viper for Students

  1. :  a poisonous heavy-bodied snake with long hollow fangs


Medical Dictionary

viper

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noun vi·per \ˈvī-pər\

Medical Definition of viper

  1. 1:  a common Eurasian venomous snake of the genus Vipera (V. berus) that attains a length of about two feet (0.6 meter), varies in color from red, brown, or gray with dark markings to black, and whose bite is usually not fatal to humans; broadly :  any snake of an Old World subfamily (Viperinae) of the family Viperidae

  2. 2:  pit viper

  3. 3:  a venomous or reputedly venomous snake



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