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 improved; "I got an upgrade to first class when coach class was full"
software that provides better performance than an earlier version did
to improve what was old or outdated; "I've upgraded my computer so I can run better software"; "The company upgraded their personnel"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"
being or moving higher in position or greater in some value; being above a former position or level; "the anchor is up"; "the sun is up"; "he lay face up"; "he is up by a pawn"; "the market is up"; "the corn is up"
spatially or metaphorically from a lower to a higher position; "look up!"; "the music surged up"; "the fragments flew upwards"; "prices soared upwards"; "upwardly mobile"
to a later time; "they moved the meeting date up"; "from childhood upward"
to a more central or a more northerly place; "was transferred up to headquarters"; "up to Canada for a vacation"
nearer to the speaker; "he walked up and grabbed my lapels"