Away from the correct path or direction. See Synonyms at amiss.(adverb)
Away from the right or good, as in thought or behavior; straying to or into wrong or evil ways.(adverb)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "astray" in a sentence
"Now that Providence had seen fit to cast him ashore, if he was to be permitted to continue his flight alone, he would go straight for his goal, the Swiss border, and not be led astray (that is what he called it, _led astray_) by any other enterprise."
"If you want to go astray from the topic, feel free to start your own blog, or get Prof. Volokh to make you a guest blogger on this one, and start a new thread."
"Where readers often go astray is that they fail to realize that the men who enacted the U.S."