Dictonary and Thesaurus

Definition of Upgrade

(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"
(noun) hardware that provides better performance than an earlier version did
(noun) the property possessed by a slope or surface that rises
(noun) a reservation that is improved; "I got an upgrade to first class when coach class was full"
(noun) software that provides better performance than an earlier version did
(noun) an upward slope or grade (as in a road); "the car couldn't make it up the rise"
(verb) to improve what was old or outdated; "I've upgraded my computer so I can run better software"; "The company upgraded their personnel"
(verb) give better travel conditions to; "The airline upgraded me when I arrived late and Coach Class was full"
(verb) get better travel conditions; "I upgraded to First Class when Coach Class was overbooked"
(verb) rate higher; raise in value or esteem
(verb) 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"