The term 'loses luster' can be described by the crossword solutions 'fades, ' 'DIMS, ' and 'pales.' This phrase is often used to describe something that has lost its shine, brightness, or vibrancy. It can be used to refer to a physical object, such as a piece of jewelry, or an abstract concept, such as a person's enthusiasm for something. The words 'fades, ' 'DIMS, ' and 'pales' all suggest a gradual decrease in brightness or vibrancy, which is the essence of the phrase 'loses luster.'