What part of speech is the word inside?

The word "inside" can be a preposition, adverb, or adjective, depending on its function in a sentence.

Preposition: When it indicates location or position:

* "The cat is inside the box."

Adverb: When it modifies a verb, adjective, or another adverb, indicating location or direction:

* "Please come inside."

* "It's colder inside than outside."

Adjective: While less common, it can describe something that is located within something else:

* "The inside of the house was painted white."