* Verb: This is the most common usage. It describes an action: "The child skipped down the street."
* Past Participle: It can act as a past participle used as an adjective: "The skipped steps led to the attic."
* Adjective: Less common, but it can sometimes be used as an adjective: "She gave a skipped beat of her heart."
It's not a conjunction or a noun.
Let me know if you have another word you'd like to analyze!