Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Viper" Definition
noun
A person regarded as malicious or treacherous.
Source: American Heritage Dictionary
A pit viper.
Source: American Heritage Dictionary
A venomous or supposedly venomous snake.
Source: American Heritage Dictionary
Any of several venomous Old World snakes of the family Viperidae, having a single pair of long, hollow fangs and a thick, heavy body. Also called adder2.
Source: American Heritage Dictionary
A common Eurasian venomous snake () that attains a length of about two feet (0.6 meter), varies in color from red, brown, or gray with dark markings to black, and is usually not fatal to humans.
Source: Merriam-Webster