Take to one's heels is a phrase that means to run away in a hurry. It can be used to indicate a sudden retreat from danger or a quick escape from an unpleasant situation. Synonyms for this phrase include flee, bolt, run away, escape, abscond, skedaddle, and make a break for it. Other related phrases include hit the road, hightail it, make a quick getaway, and beat a hasty retreat. Whatever the situation may be, there are plenty of ways to express the idea of running away quickly and taking to one's heels.