Definition of

Upgrade

  1. (noun, object) an upward slope or grade (as in a road)
  2. (noun, communication) software that provides better performance than an earlier version did
  3. (noun, cognition) a reservation that is improved
  4. (noun, attribute) the property possessed by a slope or surface that rises
  5. (noun, artifact) hardware that provides better performance than an earlier version did
  6. (noun, act) the act of improving something (especially machinery) by raising it to a higher grade (as by adding or replacing components)
  7. (verb, cognition) rate higher; raise in value or esteem
  8. (verb, change) to improve what was old or outdated
    The company upgraded their personnel
  9. (verb, social) give a promotion to or assign to a higher position
    Women tend not to advance in the major law firms
    I got promoted after many years of hard work
  10. (verb, change) get better travel conditions
  11. (verb, change) give better travel conditions to

via WordNet, Princeton University

Antonyms of Upgrade

downgrade

Origin of the word Upgrade

  1. 1873, "upward slope," from up + grade. The meaning "upgraded version" is recorded from 1980; the verb in this sense is attested from 1920 (implied in upgrading). more

via Online Etymology Dictionary, ©2001 Douglas Harper

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