/ Dictionary / Index V viperous: Meaning and Definition of Find definitions for: vi•per•ous Pronunciation: (vī'pur-us), [key] — adj. of the nature of or resembling a viper: a viperous movement. of or pertaining to vipers. characteristic of vipers. venomous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. viperine viper's bugloss Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language