viperine

PRONUNCIATION: (VY-puhr-in, -puh-ryn)
MEANING:
adjective: Of or relating to a viper; venomous; malicious.
ETYMOLOGY:
From Latin vipera (snake), which arose from a mispronunciation/contraction of vivipera, from vivus (alive) + parere (to give birth). Vipers are named so because most vipers give birth to live young (instead of eggs). The eggs stay within the mother's body till they are ready to hatch. Earliest documented use: around 1540.
USAGE:
"The musical taught a generation of viperine office politicians how to stick a shiv into their bosses without leaving any fingerprints on the handle."
Terry Teachout; Lovable, Huggable, and Unscrupulous Too; The Wall Street Journal (New York); Mar 29, 2011.
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VIPERWINE- a delightful fun wine; properly aged on the vine, very smoothe, but slightly slimey with a bite.