What part of speech is the word ground?

The word "ground" can be several parts of speech depending on its context:

* Noun: This is the most common usage, referring to the surface of the earth. Example: "The children played on the ground."

* Verb: Meaning to bring to a halt or stop. Example: "The plane was grounded due to bad weather."

* Adjective: Used to describe something that is well-established or basic. Example: "The ground rules of the game are clear."

To determine the part of speech, look at the context of the sentence and how the word is being used.