Meaning of 'upgrade'

noun

the act of improving something (especially machinery) by raising it to a higher grade (as by adding or replacing components)

Example: "the power plant received a new upgrade"

noun

hardware that provides better performance than an earlier version did

noun

the property possessed by a slope or surface that rises

Synonyms: rise

noun

a reservation that is improved

Example: "I got an upgrade to first class when coach class was full"

noun

software that provides better performance than an earlier version did

noun

an upward slope or grade (as in a road)

Synonyms: raise

verb

to improve what was old or outdated

Example: "I've upgraded my computer so I can run better software"

verb

give better travel conditions to

Example: "The airline upgraded me when I arrived late and Coach Class was full"

verb

get better travel conditions

Example: "I upgraded to First Class when Coach Class was overbooked"

verb

rate higher

verb

give a promotion to or assign to a higher position

Synonyms: raise