from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To raise to a higher grade or standard: upgrading their military defenses.
  • transitive v. To improve the quality of (livestock) by selective breeding for desired characteristics.
  • transitive v. Computer Science To replace (a software program) with a more recently released, enhanced version.
  • transitive v. Computer Science To replace (a hardware device) with one that provides better performance.
  • intransitive v. To exchange a possession for one of greater value or quality; trade up.
  • intransitive v. Computer Science To replace software or hardware with an upgrade.
  • n. The act or an instance of upgrading.
  • n. Computer Science A software program that provides added enhancements over an earlier version.
  • n. Computer Science A hardware device that provides greater performance than an earlier model.
  • n. An upward incline.
  • adv. Uphill.
  • idiom on the upgrade Improving or progressing.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. an improved component or replacement item, usually applied to technology
  • v. to improve, usually applied to technology, generally by complete replacement of one or more components
  • v. to replace an existing object with something better
  • v. to replace a program with a later version of itself, a version having a higher version number or marketed under a more recent product name

from The Century Dictionary and Cyclopedia

  • In stock-raising, to raise the grade of by the introduction of a higher strain of blood: as, to upgrade a herd.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. give better travel conditions to
  • v. get better travel conditions
  • v. to improve what was old or outdated
  • n. a reservation that is improved
  • v. rate higher; raise in value or esteem
  • n. the property possessed by a slope or surface that rises
  • v. give a promotion to or assign to a higher position
  • n. hardware that provides better performance than an earlier version did
  • n. the act of improving something (especially machinery) by raising it to a higher grade (as by adding or replacing components)
  • n. an upward slope or grade (as in a road)
  • n. software that provides better performance than an earlier version did


From up + grade. (Wiktionary)



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