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to improve, especially something that was old or outdated; "I''ve upgraded my computer so I can run better software"; "The company upgraded their personnel";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