'Perverse Generation' in the Bible

Then Jesus answered and said, O unbelieving and perverse generation, how long shall I be with you? how long shall I bear with you?

Then Jesus answered and said, O unbelieving and perverse generation, how long shall I be with you, and bear with you? Bring thy son hither.

And with many other words did he press and exhort them, saying, Save yourselves from this perverse generation.

that ye may be blameless and inoffensive, the children of God without reproof, in the midst of a crooked and perverse generation; among whom ye shine as lights in the world,