from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Suggestive of or related to a viper.
  • adjective Venomous; malicious.

from The Century Dictionary.

  • Having the qualities of a viper; viperish; venomous; malignant; spiteful: chiefly said of mental qualities, or used figuratively.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Having the qualities of a viper; malignant; venomous.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective of or pertaining to a viper
  • adjective venomous, malicious or treacherous


Sorry, no etymologies found.


Help support Wordnik (and make this page ad-free) by adopting the word viperous.



Log in or sign up to get involved in the conversation. It's quick and easy.