What part of speech is the word bumpy?

"Bumpy" can be either an adjective or an adverb, depending on how it's used in a sentence.

Adjective:

* Describes a noun.

* Example: "The road was bumpy." (Describing the noun "road")

Adverb:

* Modifies a verb, adjective, or another adverb.

* Example: "The car rode bumpy over the potholes." (Modifying the verb "rode")

Let me know if you have a specific sentence in mind, and I can tell you which part of speech "bumpy" is acting as.