S: (n) upgrade (software that provides better performance than an earlier version did)
S: (n) upgrade (a reservation that is improved) "I got an upgrade to first class when coach class was full"
S: (n) upgrade, rise, rising slope (the property possessed by a slope or surface that rises)
S: (n) upgrade (hardware that provides better performance than an earlier version did)
S: (n) upgrade (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"
Verb
S: (v) upgrade (rate higher; raise in value or esteem)
S: (v) upgrade (to improve what was old or outdated) "I've upgraded my computer so I can run better software"; "The company upgraded their personnel"
S: (v) promote, upgrade, 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"
S: (v) upgrade (get better travel conditions) "I upgraded to First Class when Coach Class was overbooked"
S: (v) upgrade (give better travel conditions to) "The airline upgraded me when I arrived late and Coach Class was full"