The term 'completely occupied' can be described by two crossword solutions: 'FULL' and 'tiedup'. The word 'FULL' is an adjective that means having all the necessary or normal amount, or being at maximum capacity. The word 'tiedup' is an adjective that means to be held in a state of inaction or inactivity due to some external factor. Together, these two words describe a situation where something is completely occupied, meaning it is filled to capacity and unable to move or act.