What part of speech is front?

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

* Noun: The front of the building is beautiful.

* Adjective: They marched in the front row.

* Adverb: The car was parked front and center.

* Verb: He fronted the band.

Let me know if you have a specific sentence in mind and I can help you figure out the part of speech!