Only state to share a border with only one other U.S. state (5)

I believe the answer is:

maine

(Other definitions for maine that I've seen before include "American state, capital Augusta" , "The USA's Pine Tree State" , "Part of America" , "state of USA" , "somewhere in America" .)

I've seen this clue in the USA Today.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.