1. (noun) ascent, acclivity, rise, raise, climb, upgrade
an upward slope or grade (as in a road)
Synonyms: ascent, rising, emanation, acclivity, ascending, mounting, heave, climbing, hike, rising slope, salary increase, ascension, boost, upgrade, climb, advance, wage increase, lift, procession, mount, rise, wage hike, raise, cost increase
Antonyms: downgrade
2. (noun) upgrade
software that provides better performance than an earlier version did
Synonyms: rise, ascent, raise, climb, acclivity, rising slope
Antonyms: downgrade
3. (noun) upgrade
a reservation that is improved
Synonyms: rise, ascent, raise, climb, acclivity, rising slope
Antonyms: downgrade
4. (noun) upgrade, rise, rising slope
the property possessed by a slope or surface that rises
Synonyms: ascent, rising, emanation, acclivity, wage increase, hike, rising slope, lift, salary increase, ascending, ascension, boost, upgrade, climb, advance, procession, rise, wage hike, raise, cost increase
Antonyms: downgrade
5. (noun) upgrade
hardware that provides better performance than an earlier version did
Synonyms: rise, ascent, raise, climb, acclivity, rising slope
Antonyms: downgrade
6. (verb) upgrade
the act of improving something (especially machinery) by raising it to a higher grade (as by adding or replacing components)
Synonyms: rise, ascent, raise, climb, acclivity, rising slope
Antonyms: downgrade
7. (verb) upgrade
rate higher; raise in value or esteem
Synonyms: kick upstairs, raise, advance, promote, elevate
Antonyms: downgrade
8. (verb) upgrade
to improve what was old or outdated
Synonyms: kick upstairs, raise, advance, promote, elevate
Antonyms: downgrade
9. (verb) promote, upgrade, advance, kick upstairs, raise, elevate
give a promotion to or assign to a higher position
Synonyms: throw out, kindle, supercharge, erect, arouse, put forward, leaven, bring forward, come along, pass on, provoke, get along, win, parent, elevate, kick upstairs, recruit, upraise, progress, advertize, come on, stir, make headway, call down, advance, conjure, lift, elicit, upgrade, farm, encourage, further, gain, bring up, pull ahead, set up, conjure up, nurture, resurrect, levy, promote, prove, boost, go on, gain ground, invoke, raise, advertise, move on, get on, get up, produce, call forth, put up, grow, shape up, fire, evoke, rear, push, set ahead, march on, enhance, enkindle, get ahead, heighten
Antonyms: downgrade
10. (verb) upgrade
get better travel conditions
Synonyms: kick upstairs, raise, advance, promote, elevate
Antonyms: downgrade
11. (verb) upgrade
give better travel conditions to
Synonyms: kick upstairs, raise, advance, promote, elevate
Antonyms: downgrade
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Synonyms and Antonyms of upgrade 
