* Adjective: Describing something that is unnecessary because it repeats something else.
* Example: "The instructions were redundant, repeating the same information twice."
* Noun: Something that is unnecessary or repetitive.
* Example: "The speech was full of redundancies."
* Verb: To make something unnecessary or repetitive.
* Example: "The company redundanted several employees after a drop in sales."
So, the specific part of speech depends on how it's used in a sentence.