The term 'PERFECT OVER TIME' can be broken down into two parts: 'PERFECT' and 'OVER TIME'. The first part, 'PERFECT', can be defined as being without fault or defect. The second part, 'OVER TIME', refers to the passing of TIME, usually in a gradual manner. The crossword solution for this term is 'HONE', which means to sharpen or refine something OVER TIME. Therefore, the term 'PERFECT OVER TIME' can be interpreted as gradually refining something until it is without fault or defect.