* Adjective: This is the most common usage, describing something that is flexible or supple.
* Example: "The gymnast's body was limber."
* Verb: It can also mean to make something flexible or to become flexible.
* Example: "He limbered up before the race."
* Noun: Less commonly, "limber" can be a noun, referring to a tool or a type of artillery.
* Example: "The soldiers used a limber to move the cannon."
So, to determine the correct part of speech, you need to look at how it's used in the sentence.