Toiling away is a phrase used to describe someone who is working hard and putting in a lot of effort. The term can be broken down into three crossword solutions: BUSY (4 letters), ATIT (4 letters), and ATWORK (6 letters). BUSY implies that the person is occupied with work, ATIT suggests that they are actively engaged in their task, and ATWORK implies that they are doing their job. Together, these three words paint a picture of someone who is diligently working and putting in a lot of effort.