'Crooked' in the Bible

Every valley will be filled. Every mountain and hill will be brought low. The crooked will become straight, and the rough ways smooth.

With many other words he testified, and exhorted them, saying, "Save yourselves from this crooked generation!"

that you may become blameless and harmless, children of God without blemish in the midst of a crooked and perverse generation, among whom you are seen as lights in the world,