Long-drawn-out is a phrase used to describe something that is prolonged over an extended period of time. There are several synonyms for long-drawn-out, including prolonged, extended, protracted, drawn-out, lingering, never-ending, tedious, and dragged-out. Each of these synonyms can be used in different contexts to convey the idea of something taking longer than it should. For example, a meeting can be described as prolonged if it lasts longer than anticipated, while a legal case could be described as protracted if it takes an extended period of time to resolve. In short, there are numerous words that can be used interchangeably with long-drawn-out to describe slow and arduous processes.