Webster's Revised Unabridged Dictionary · 1913

Viperous

Viperous , adjective

Having the qualities of a viper; malignant; venomous; as, a viperous tongue.

This viperous slander. — Shakespeare

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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