Dictionary definition · lead astray
verb
- teach immoral behavior to"It was common practice to lead off the young ones, and teach them bad habits"
- lead someone in the wrong direction or give someone wrong directions"The pedestrian misdirected the out-of-town driver"
- cause someone to believe an untruth"The insurance company deceived me when they told me they were covering my house"
Source: Open English WordNet (CC BY 4.0).