What part of speech is the word compromise?

The word "compromise" can be several parts of speech depending on how it's used in a sentence:

* Noun: "They reached a compromise after hours of negotiation."

* Verb: "We need to compromise to find a solution that works for everyone."

It can also be an adjective, though this is less common:

* Adjective: "A compromise solution was eventually agreed upon." (This is a bit more formal and less frequent than using "compromising" as the adjective)