The term 'loses steam' can be described by the crossword solutions of fades, TIRES, SLOWS, dies, diesdown, and tiresout. Fades means to gradually become less intense or disappear, TIRES means to become exhausted, SLOWS means to reduce speed, dies means to stop functioning, diesdown means to become weaker or less active, and tiresout means to become exhausted or worn out. All of these words describe the process of losing steam, which is when something gradually loses its energy, enthusiasm, or momentum.