Definition
To abandon or leave someone or something, such as a small boat, to float uncontrollably on water; to leave without guidance or support.
Due to economic hardship, many fishermen were forced to cast their old boats adrift at sea.
After being laid off by the company, he felt like a small boat cast adrift in the ocean of life.
They decided to cast the outdated equipment adrift, leaving it unattended in the warehouse.