|Origin:||estraié 'wandering', from estraier; STRAY1|
to be lost or stolen:
The letter had gone astray in the post.
if a plan or action goes astray, it goes wrong:
The best-laid plans can go astray.
to encourage someone to do bad or illegal things that they would not normally do:
The older boys led him astray.
to make someone believe something that is not true:
It's easy to be led astray by the reports in the papers.