əˈklɪv.ə.ti ədˈvæns əˈsɛnt klaɪm ˈɛləveɪt pɹəˈmoʊt pɹəˈməʊt to improve what was old or outdated I've upgraded my computer so I can run better software The company upgraded their personnel give better travel conditions to The airline upgraded me when I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 get better travel conditions I upgraded to First Class when Coach Class was overbooked rate higher; raise in value or esteem 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 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 hardware that provides better performance than an earlier version did the property possessed by a slope or surface that rises a reservation that is improved 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