The answer to the crossword for the term 'Largest Island in Micronesia' is Guam, which is a 4-letter word. Guam is an unincorporated and organized territory of the United States located in the western Pacific Ocean. It is the largest and southernmost island in the Mariana Islands archipelago and the largest island in Micronesia. Guam has a tropical climate and is known for its beautiful beaches, coral reefs, and historical sites.