- out of the correct path or direction
- out of the right, good, or expected way; into error
WordReference Random House Learner's Dictionary of American English © 2014
- off the correct or known path or route;
lost:The letter must have gone astray.
- away into error, confusion, or undesirable action or thought:Wicked companions led her astray.
adj. [be + ~]
- lost:I was astray and couldn't find my way.
- confused; in error:was astray in those calculations.