Applies oneself is a phrase that means to work hard and diligently on something. The crossword solutions for this phrase are TRIES (5 letters), FALLSTO (7 letters), and BLESDOWN (8 letters). TRIES means to make an effort or attempt to do something, FALLSTO means to devote oneself to a task, and BLESDOWN means to put in the necessary effort to achieve a goal. Together, these three words describe the act of applying oneself to a task.