More compact is a term used to describe something that has been made smaller or more condensed. Denser, solider, terser, and CLOSER are all words that can be used to describe something that is more compact. Denser has 6 letters and means having more mass in a given volume. Solider has 7 letters and means having greater strength and solidity. Terser has 6 letters and means using fewer words to express the same meaning. CLOSER has 6 letters and means being nearer in space, time, or relationship.