viperous

comparative more viperous · superlative most viperous

1. of or pertaining to a viper

   Synonyms: viperish

2. venomous, malicious or treacherous

   viperous as the suicide foam of captive Judas (iii)

   1820, Charles Maturin, Melmoth the Wanderer

   1 more example

   Back home the portrait of Trujillo, which every good citizen had hanging in his house, beamed down on him with insipid, viperous benevolence.

   2007, Junot Díaz, The Brief Wondrous Life of Oscar Wao, Faber and Faber (2009), page 230

   Synonyms: reptilian, reptitious, viperish, abandoned, arrant, bad, bad apple, bad seed