The term of an island can be summarized as 'INSULAR, ' which is a seven-letter word. INSULAR is an adjective that describes something or someone as being isolated, detached, or cut off from the rest of the world. It is often used to describe islands, as they are typically surrounded by water and separated from other land masses. INSULAR can also be used to describe people who are not open to new ideas or experiences, or who are unwilling to interact with others.