Definition of viperous
a. - Having the qualities of a viper; malignant; venomous; as, a viperous tongue. 2
The word "viperous" uses 8 letters: E I O P R S U V.
Words formed by adding one letter before or after viperous (in bold), or to eioprsuv in any order:
p - purposive
All words formed from viperous by changing one letter
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