Meaning & Definition
noun
A venomous snake of the family Viperidae, characterized by long, hinged fangs and a broad head.
He spotted a viper slithering through the tall grass.
A treacherous or deceitful person.
She realized too late that he was a viper in disguise.
Etymology
From Latin 'vipera', possibly from 'vivus' meaning 'alive' or 'vivere' meaning 'to live'.
Common Phrases and Expressions
viper's nest:
A place or situation filled with treachery or deceit.
viper bite:
A sudden attack, often unexpected, causing harm (metaphorically).
Slang Meanings
A person who backstabs or betrays friends.
Don't trust him; he's such a viper.
A fast or aggressive driver.
That viper on the road cut me off without warning.