The word "terminate" is closest in meaning to "end," "conclude," "cease," or "finish." It generally refers to bringing something to an end or stopping it entirely. For example, you might terminate a contract, terminate a process, or terminate a relationship. The specific nuance of the word can vary depending on the context in which it is used, but the core idea is always about bringing something to a close.

In some contexts, "terminate" can also imply a more abrupt or forceful ending, such as when someone is terminated from a job, which often carries a connotation of being dismissed or fired. In other cases, it might simply mean the natural conclusion of something, like a lease that terminates at the end of a specified period.

Overall, "terminate" is a versatile word that can be used in a variety of situations where something is being brought to an end, whether by choice, by necessity, or by external forces.