Synonyms of viper

viper

noun

ˈvī-pər 

as in snake

a limbless reptile with a long body

a viper sliding silently through the field

Synonyms & Similar Words

• snake
• serpent
• cobra
• python
• boa
• rattlesnake
• copperhead
• mamba
• racer
• adder
• asp
• bushmaster
• moccasin
• krait
• taipan
• pit viper
• constrictor
• anaconda
• garter snake
• water snake
• coral snake
• sea serpent
• rat snake
• gopher snake
• bull snake
• milk snake
• green snake
• sea snake
• blacksnake
• sidewinder
• indigo snake
• worm snake
• king snake
• pine snake
• king cobra
• horned viper
• water moccasin
• diamondback rattlesnake
• chicken snake
• puff adder
• black racer
• hognose snake
• blue racer
• fer-de-lance
• cottonmouth moccasin

Example Sentences

Recent Examples of viper

In the past, park rangers have had to remove and relocate a Western Diamondback Rattlesnake, a venomous viper. — Isa Almeida, Oklahoman, 11 Mar. 2026

Except every Eden contains a serpent, and this one’s viper is particularly venomous. — David Fear, Rolling Stone, 19 Feb. 2026

The animal enthusiast has since fished vipers from beneath houses, underneath baby cribs, the inside of dry wall, the back of a refrigerator, a fire department, a Safeway and scores of other spots. — Kurtis Alexander, San Francisco Chronicle, 14 Feb. 2026

Other shipments sent by Lin included alligator lizards, venomous green tree vipers and palm pit vipers, all protected by the Convention on International Trade in Endangered Species of Wild Fauna and Flora. — Marc Ramirez, USA Today, 30 Dec. 2025