Grind Away is a term that refers to the hard work and effort put into a task. The crossword solutions for this term are LABOR, PLOD, and TOIL. LABOR is an activity involving physical or mental effort done in order to achieve a purpose or result. PLOD is to walk or work slowly and laboriously. TOIL is to work hard and persistently, especially at unpleasant or difficult tasks. All three words refer to the same concept of hard work and effort, and together they accurately describe the term Grind Away.