#1 upgrade v. rate higher; raise in value or esteem. wn
#2 upgrade v. to improve what was old or outdated; "I've upgraded my computer so I can run better software"; "The company upgraded their personnel". wn
#3 upgrade n. [ascent, acclivity, rise, raise, climb] an upward slope or grade (as in a road); "the car couldn't make it up the rise". wn
#4 upgrade n. software that provides better performance than an earlier version did. wn
#5 upgrade v. [promote, advance, kick upstairs, raise, elevate] give a promotion to or assign to a higher position; "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". wn
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