The term 'BIG ASSIGNMENT' can be broken down into two crossword solutions: PROJECT (7 letters) and BIG (3 letters). A PROJECT is a large-scale task that requires planning, organization, and resources. It is usually assigned to a team of people who work together to complete the task. BIG is an adjective used to describe something that is large in size, amount, or degree. Therefore, a 'BIG ASSIGNMENT' is a large-scale task that requires a lot of resources and effort.