Definitions
1.nounAn upward grade or slope.
2.nounAn improved component or replacement item, usually applied to technology"With my phone company, I get a free upgrade every twelve months if I keep topping up 10 pounds a month."
3.nounAn improvement"The remarried couples among my friends often joked that their divorce and remarriage amounted to an upgrade."
4.verbTo improve, usually applied to technology, generally by complete replacement of one or more components"When you upgrade your standard of living, you become addicted to that standard of living."
5.verbTo replace with something better."I had to upgrade my anti-virus software to protect my computer from the newer threats."
6.verbTo improve the equipment or furnishings of or services rendered to"They upgraded him to the latest model."
7.verbTo improve in condition or status."She upgraded to a more successful husband."
8.verbTo replace a program with a later version of itself, a version having a higher version number or marketed under a more recent product name.
9.adverbUp a slope or grade.