1. A space, as in a driveway, permitting the turning around of a vehicle.
2. The act or an instance of turning about and facing or moving in the opposite direction.
a. A dramatic change in fortune or performance, especially for the better: Stock prices fell in the morning but rallied in an afternoon turnaround.
b. A dramatic change in opinion, behavior, or allegiance: "Sometimes he would do a turnaround and say that maybe she was right" (Alice Munro).
a. The process of or time needed for performing a task, especially receiving, completing, and returning an assignment.
b. The process of or time needed for loading, unloading, and servicing a ship, airplane, or other vehicle.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.