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viper
[vahy-per]
noun
any of several venomous Old World snakes of the genus Vipera, especially V. berus, a small snake common in northern Eurasia.
any related snakes belonging to the family Viperidae, characterized by erectile, venom-conducting fangs.
any of various venomous or supposedly venomous snakes.
a malignant or spiteful person.
a false or treacherous person.
Military.Viper, a 9-pound (4-kilogram), shoulder-launched, unguided U.S. Army antitank rocket with an effective range of 273 yards (250 meters).
viper
/ ˈɪə /
noun
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
any of various other snakes, such as the horned viper
See pit viper
a malicious or treacherous person
Other 51Թ Forms
- viper-like adjective
- viperish adjective
- viperishly adverb
51Թ History and Origins
51Թ History and Origins
Origin of viper1
Idioms and Phrases
to nourish a viper in one's bosom, to befriend a person who proves to be treacherous.
Example Sentences
In 2019, officials at the Chennai airport seized a horned pit viper snake, five Iguanas, four blue-tongued skinks, three green tree frogs and 22 Egyptian tortoises from a man travelling from Thailand.
The other class of snake – the vipers – rely more on haemotoxins, which attack the blood, rather than neurotoxins.
Watching Bean’s dutiful lord be torn apart, body and reputation, by a nest of vipers is an altogether different experience.
It is a “viper’s nest of radical left Marxists who hate America,” he wrote on X, his social media platform.
Quite the contrary, actually; in many cases, I have no difficulty understanding why people would vote for this viper.
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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