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: having the qualities attributed to a viper : malignant, venomous
the backstabbing of a viperous family
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These example sentences are selected automatically from various online news sources to reflect current usage of the word 'viperous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
1535, in the meaning defined at sense 1
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characteristic trappings or dress
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