Below is the definition for the word you requested, useful for Scrabble and other word games. To find more definitions please use the dictionary page.
to improve what was old or outdated; "I've upgraded my computer so I can run better software"; "The company upgraded their personnel"
give better travel conditions to; "The airline upgraded me when I arrived late and Coach Class was full"
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"
get better travel conditions; "I upgraded to First Class when Coach Class was overbooked"
hardware that provides better performance than an earlier version did
rate higher; raise in value or esteem
the property possessed by a slope or surface that rises
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"
a reservation that is improved; "I got an upgrade to