1. Literally, of a sailing vessel, to float on a body of water without control or anchorage. The boat lost power and ran adrift in the Atlantic for 17 days before a rescue party finally found it.
2. To progress or exist in a wandering or aimless manner. The whole country seems to be running adrift, in my opinion. My imagination began running adrift with the worst possible thoughts of what might have happened.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.