What part of speech is rigid?

"Rigid" can be multiple parts of speech depending on its usage in a sentence:

* Adjective: Describing a quality or state of being inflexible or unyielding.

* Example: "The metal bars were rigid and unbreakable."

* Noun: Referring to a fixed or unchangeable quality or rule.

* Example: "There was a rigid adherence to the company's dress code."

So, the part of speech of "rigid" depends on the context of the sentence.