upgrade Meaning, Definition & Usage

1. noun an upward slope or grade (as in a road)
   acclivity; raise; rise; climb; ascent.
   
   • the car couldn't make it up the rise
2. noun software that provides better performance than an earlier version did
   
3. noun a reservation that is improved
   
   • I got an upgrade to first class when coach class was full
4. noun the property possessed by a slope or surface that rises
   rise; rising slope.
   
5. noun hardware that provides better performance than an earlier version did
   
6. noun the act of improving something (especially machinery) by raising it to a higher grade (as by adding or replacing components)
   
   • the power plant received a new upgrade
7. verb rate higher; raise in value or esteem
   
8. verb to improve what was old or outdated
   
   • I've upgraded my computer so I can run better software
   • The company upgraded their personnel
9. verb give a promotion to or assign to a higher position
   advance; kick upstairs; elevate; promote; raise.
   
   • John was kicked upstairs when a replacement was hired
   • Women tend not to advance in the major law firms
   • I got promoted after many years of hard work
10. verb get better travel conditions
    
    • I upgraded to First Class when Coach Class was overbooked
11. verb give better travel conditions to
    
    • The airline upgraded me when I arrived late and Coach Class was full

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