From Longman Dictionary of Contemporary Englishcome adriftcome adriftSEPARATE British English if something comes adrift, it is no longer fastened or attached to something Her hair was forever coming adrift from the pins she used to keep it in place. → adrift
Examples from the Corpus
come adrift• Shortly after this I nearly suffocated when the pipe of my breathing apparatus came adrift.• But the highlight for me was a thumping take on a buzzer which came adrift after a couple of really powerful lunges. 