The Collaborative International Dictionary
Viperous
Viperous \Vi"per*ous\, a.
Having the qualities of a viper; malignant; venomous; as, a
viperous tongue. ``This viperous slander.''
--Shak. --
Vi"per*ous*ly, adv.
Wiktionary
viperous
a. 1 of or pertaining to a viper 2 venomous, malicious or treacherous
Usage examples of "viperous".
The escorts collected: Viperous with damage to her bridge-superstructure, the old corvette minus one of her boats, Compass Rose intact but rolling villainously, the trawler riding well, the tug tossing about with a ludicrous, almost hysterical violence as she tried to keep pace with the rest.