What part of speech is the word chronic?

The word "chronic" can be either an adjective or an adverb, depending on how it is used in a sentence.

As an adjective:

* Definition: lasting for a long time or recurring frequently.

* Example: "She suffers from chronic pain."

As an adverb:

* Definition: in a way that lasts for a long time or recurs frequently.

* Example: "The problem has been chronically ignored."

In this example, "chronically" modifies the verb "ignored" and describes the manner in which it has been ignored.