What part of speech is redesign?

"Redesign" can be a few different parts of speech depending on how it's used:

* Verb: This is the most common usage. It describes the act of designing something again. Example: "We need to redesign the website."

* Noun: It can also be a noun, referring to the process or result of designing something again. Example: "The redesign of the website took months."

* Adjective: While less common, it can be used as an adjective to describe something that has been designed again. Example: "We have a redesign logo."

So, without context, it's impossible to say definitively what part of speech "redesign" is. You need to look at the sentence it's used in to determine its function.