Noun
1. an upward slope or grade (as in a road);
"the car couldn't make it up the rise"2. software that provides better performance than an earlier version did
3. a reservation that is upgraded;
"I got an upgrade to first class when coach class was full"4. the property possessed by a slope or surface that rises
5. hardware that provides better performance than an earlier version did
6. 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
1. rate higher; raise in value or esteem
2. to improve, especially something that was old or outdated;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"3. 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"4. get better travel conditions;
"I upgraded to First Class when Coach Class was overbooked"5. give better travel conditions to;
"The airline upgraded me when I arrived late and Coach Class was full"