v. up·grad·ed, up·grad·ing, up·grades
1. To raise to a higher grade or standard: upgrading their military defenses.
a. To replace (a software program) with a more recently released, enhanced version.
b. To replace (a hardware device) with one that provides better performance.
3. To improve the quality of (livestock or crops) through breeding.
1. To exchange a possession for one of greater value or quality; trade up.
2. Computers To replace software or hardware with an upgrade.
1. The act or an instance of upgrading.
a. A software program that provides added enhancements over an earlier version.
b. A hardware device that provides greater performance than an earlier model.
3. An upward incline.
adv. & adj.Idiom:
on the upgrade
Improving or progressing.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 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.