What part of speech is rapid?

"Rapid" can be several parts of speech depending on how it's used in a sentence:

* Adjective: Describing something that happens or moves quickly.

* Example: "The car made a rapid turn."

* Noun: Meaning a quick burst of something.

* Example: "There was a rapid of gunfire."

* Adverb: Meaning quickly or speedily.

* Example: "He spoke rapidly."

The specific part of speech depends on the context of the sentence.