NP may mean different things depending on the context. NP means "Nurse Practitioner" in the health sector. It may also mean "Non-deterministic Polynomial" concerning computer science-related problems in computational complexity. NP stands for "noun phrase," a grammatical term used to refer to a set of words that somehow describes a noun. NP may also be used informally to mean "No Problem," sometimes used in text messages and in other chat and online contexts to mean that it is not an issue. So, you can see that its meaning may depend on the subject being dealt with.

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