The crossword solution for the term 'ISN'T INDIFFERENT' is CARES, which is a five-letter word. The term 'ISN'T INDIFFERENT' implies that someone is not apathetic or uninterested in something, and the crossword solution of CARES reflects this sentiment. CARES is an action verb that means to feel concern or interest in something, and it is often used to describe someone who is passionate about a cause or issue.