upgrade
n 1: an upward slope or grade (as in a road); "the car couldn't
make the grade" [syn: {ascent}, {acclivity}, {rise}, {raise},
{climb}] [ant: {descent}]
2: the property possessed by a slope or surface that rises
[syn: {rise}, {rising slope}]
v 1: rate higher; raise in value or esteem [ant: {downgrade}]
2: to improve, esp. something that was old or outdated; "I've
upgraded my computer so I can run better software." "The
company upgraded their personnel"
3: give a promotion to; "raise in rank"; assign to a higher
position [syn: {promote}, {advance}, {kick upstairs}, {raise},
{elevate}] [ant: {demote}]