the percentage of employees leaving the company turnover rate a company's ability to keep its staff from leaving employee retention extensive; involving large numbers or a large area large-scale to try hard to to strive to something that can cause damage or danger a threat more than necessary or normal excessive something of value that you give up so that you can have something else a sacrifice moral principles defining what's good for society and its individuals ethics to watch and observe over a period of time to monitor to stop having something you want to give up