The crossword solution for the term 'Epitome of Tightness' is DRUM. This term is often used to describe a person or group that is well organized and efficient. It can also be used to describe a musical performance that is precise and tight. The word 'DRUM' is derived from the Latin word 'tumba' which means 'to beat'. Therefore, the term 'Epitome of Tightness' can be used to describe someone or something that is highly organized and precise.