From Longman Dictionary of Contemporary Englishadrifta‧drift /əˈdrɪft/ adjective, adverb 1 TTWa boat that is adrift is not fastened to anything or controlled by anyone Several of the lifeboats were still afloat a month after being cast adrift.2 CONFUSEDsomeone who is adrift is confused about what to do in their life a young woman adrift in London3 → come adrift4 → two points/five seconds etc adrift (of somebody)
Examples from the Corpus
adrift• Too many children seem adrift in society.cast adrift• There was no case of leakage and several of the boats were still afloat month after being cast adrift.• Without language human beings are cast adrift.• So, if you are ever cast adrift at sea - never drink sea water.