What part of speech is minimal?

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

* Adjective: Describing something as the smallest possible amount or degree.

* Example: "We need to make minimal changes to the plan."

* Noun: Meaning the smallest possible amount or degree.

* Example: "This is the minimal effort required."

* Adverb: Meaning to the smallest possible extent.

* Example: "The project was minimally affected by the delay."

So, the part of speech of "minimal" depends on its context in the sentence.