The answer to the crossword for the term 'Neighbor of Nevada' is Utah, which is a four-letter word. Utah is a state located in the western United States and is bordered by Nevada to the west, Idaho to the north, Wyoming to the northeast, Colorado to the east, and Arizona to the south. It is the 13th largest state in the US and is known for its diverse geography, ranging from arid deserts to snow-capped mountains.