: 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
Recent Examples on the WebLater, we are shown ominous faces buried and staring out from beneath a pit of black vipers.—Jonah Valdez, Los Angeles Times, 3 Nov. 2023 Because carpet viper bites cause bleeding and tissue decay, some victims may need blood transfusions.—Cassandra Willyard, Scientific American, 19 Sep. 2023 Some evidence suggests that antivenom developed using venom from Indian Russell's vipers, for instance, is less effective against venom from Sri Lankan Russell's vipers.—Cassandra Willyard, Scientific American, 19 Sep. 2023 Cold apps include a Seafood Goblet with shrimp and crab; a Watermelon Stack with herbs, crab and viper vinaigrette; and a Southern Charcuterie.
Entrees include a selection of sandwiches, tacos, bowls and salads, plus various catch-of-the-day specials.—Lawrence Specker | Lspecker@al.com, al, 11 Sep. 2023 And that chatter, in turn, led Kat to pull throw herself into the pit once more — this time the viper pit that is Twitter.—Brenna Ehrlich, Rolling Stone, 25 Aug. 2023 Elsewhere in the carousel, Ratajkowski flaunts her red viper nails, which are covered in different shimmery, glossy, black, and white designs.—Rosa Sanchez, Harper's BAZAAR, 8 Aug. 2023 Its brownish-beige patterning provides camouflage in leaf litter, and its general appearance as a non-venomous serpent isn’t too different from venomous vipers.—Joshua Rapp Learn, Discover Magazine, 6 June 2023 The eyelash viper is venomous—a bite releases hemotoxic venom that compromises the cardiovascular and central nervous systems until neurotoxic paralysis takes over, at which point the viper will swallow its prey whole.—Daisy Hernandez, Popular Mechanics, 26 Jan. 2022 See More
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'viper.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
: 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