'Vipers' in the Bible

Their wine [is] the poison of snakes, and [the] deadly poison of horned vipers.

in his bowels his food is turned, [the] venom of horned vipers [is] {within him}.

He will suck [the] poison of horned vipers; [the] viper's tongue will kill him.

But [when he] saw many of the Pharisees and Sadducees coming to his baptism, he said to them, "Offspring of vipers! Who warned you to flee from the coming wrath?

Offspring of vipers! How are you able to say good things [when you] are evil? For from the abundance of the heart the mouth speaks.

Serpents! Offspring of vipers! How will you escape from the condemnation to hell?

Therefore he was saying to the crowds that came out to be baptized by him, "Offspring of vipers! Who warned you to flee from the coming wrath?