* Noun: This is the most common usage. It refers to a series of events that happen repeatedly in the same order.
* Example: "The water cycle is essential for life on Earth."
* Verb: It can mean to move in a circle or series of events.
* Example: "The washing machine cycles through different wash settings."
* Adjective: Less common, but can be used to describe something that is cyclical or repetitive.
* Example: "The company has a cycle production schedule."
Let me know if you have a specific sentence in mind, and I can tell you what part of speech "cycle" is in that context.