n.
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 upgraded
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) upgrade v.
1.rate higher
2.to improve, especially something that was old or outdated
3.give a promotion to or assign to a higher position
4.get better travel conditions
5.give better travel conditions to
Idiom of the Day
have a change of heart
to change one's attitude or decision (usually from negative to positive)
I had a change of heart and will let my friend use my car tomorrow.
