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1.
an upward slope or grade (as in a road)
2.
software that provides better performance than an earlier version did
3.
a reservation that is improved
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
'upgrade' - used as a verb
7.
rate higher; raise in value or esteem
8.
to improve what was old or outdated
I've upgraded my computer so I can run better software
The company upgraded their personnel
9.
give a promotion to or assign to a higher position
10.
get better travel conditions
I upgraded to First Class when Coach Class was overbooked
11.
give better travel conditions to
The airline upgraded me when I arrived late and Coach Class was full
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derived forms
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1. Upgrade / Plural
upgrades
2. Upgrade / Past
upgraded
3. Upgrade / Third Person
upgrades
4. Upgrade / Present Participle
upgrading
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