as in snake
a limbless reptile with a long body
a viper sliding silently through the field
Synonyms & Similar Words
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Example Sentences
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Recent Examples of viper
The pit vipers can be found across the eastern United States, with sightings ranging from Texas to Iowa to the Carolinas and north to Pennsylvania and New England, according to the National Zoo.
Audrey Conklin is a digital reporter for Fox News Digital and FOX Business.
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Audrey Conklin, FOXNews.com, 11 June 2025
Finally, there’s the pit viper sub-family (Crotalinae), which includes rattlesnakes, copperheads and bushmasters.
—Scott Travers, Forbes.com, 25 Apr. 2025
Venom from snakes in the viper family rips up tissues, causing victims to bleed to death.
—Apoorva Mandavilli, New York Times, 2 May 2025
According to a study published April 23 in the journal Evolution, some vipers are producing venoms containing fewer and more focused toxins, despite living in extremely varied environments.
—Andrew Paul, Popular Science, 23 Apr. 2025
See All Example Sentences for viper
Audrey Conklin, FOXNews.com, 11 June 2025
Finally, there’s the pit viper sub-family (Crotalinae), which includes rattlesnakes, copperheads and bushmasters.
—Scott Travers, Forbes.com, 25 Apr. 2025
Venom from snakes in the viper family rips up tissues, causing victims to bleed to death.
—Apoorva Mandavilli, New York Times, 2 May 2025
According to a study published April 23 in the journal Evolution, some vipers are producing venoms containing fewer and more focused toxins, despite living in extremely varied environments.
—Andrew Paul, Popular Science, 23 Apr. 2025
See All Example Sentences for viper
Recent Examples of Synonyms for viper
Noun
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Rescuers maneuvering through challenging terrain, high waters and snakes including water moccasins continued their desperate search for the missing, including 10 girls and a counselor from the camp.—
Brit Morse,
Fortune,
7 July 2025
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Woman screams as snake attacks—dog jumps in and takes the venom for her The video highlighted the canine parents, with viewers instantly falling in love with the unique puppies.—
Liz O'Connell,
MSNBC Newsweek,
3 July 2025
Noun
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In 1945, a book about a family of trolls forced to find a new home—in a dark unknown forest with a terrifying serpent—after theirs is washed away, was quietly published in Finland to little fanfare.—
Patrick Sauer,
Smithsonian Magazine,
27 June 2025
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The heel measured 85mm — just over 3 inches — and the design was finished with a custom metallic buckle that mimics a serpent’s head.—
Maggie Clancy,
Footwear News,
5 June 2025
Cite this Entry
“Viper.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/viper. Accessed 9 Jul. 2025.
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