* Verb: This is the most common usage. It means to explain the meaning of something.
* Example: "Can you define the word 'serendipity'?"
* Noun: It can be used as a noun, referring to the act of defining something.
* Example: "The define of the word was quite complex."
* Adjective: While less common, it can be used as an adjective, meaning clear, precise, or definite.
* Example: "She gave a define answer to the question."
The specific part of speech will be determined by its context in the sentence.