Double time is a term used to describe a situation in which the speed of a task or activity is increased. It is often used in the context of military operations, where soldiers are required to march or work at a FASTER pace than usual. The crossword solutions for the term double time are 'QUICK' (5 letters) and 'FASTER' (6 letters). These words accurately describe the concept of double time, as they both refer to an increase in speed.