The term PREPARED TO SPRING can be summarized by the crossword solution TENSED, which is a six-letter word meaning to be in a state of readiness or alertness. This phrase implies that someone is ready to act quickly and decisively when the opportunity arises. It can also refer to a physical state of being, such as having muscles TENSED and ready for action. In either case, it suggests that the person is prepared and ready to take action.