The term 'lose steam' can be described by the crossword solutions of EBB (3 letters), TIRE (4 letters), ABATE (5 letters), FADE (4 letters), SLOW (4 letters), and diedown (7 letters). EBB means to gradually decrease or recede, TIRE means to become exhausted, ABATE means to reduce in intensity or degree, FADE means to gradually diminish, SLOW means to move or operate at a reduced speed, and diedown means to become less intense or active. All of these words describe the process of losing steam, which is when something gradually loses its energy, enthusiasm, or momentum.