—v.up-grād', up'grād"), [key]
—n., adj., adv., v., -grad•ed, -grad•ing.
1. an incline going up in the direction of movement.
2. an increase or improvement: an upgrade in the year's profit forecast.
3. a new version, improved model, etc.: The company is offering an upgrade of its sports sedan.
4. an increase or improvement in one's service, accommodations, privileges, or the like: If the ship isn't full we'll receive an upgrade to a deluxe stateroom.
5. something, as a piece of equipment, that serves to improve or enhance: a full range of upgrades available for your computer.
uphill; of, pertaining to, on, or along an upgrade.
up a slope.
1. to promote to a higher grade or rank: He has been upgraded to senior vice president.
2. to improve or enhance the quality or value of: to upgrade property by landscaping it.
to improve the quality, value, effectiveness, or performance of something: Buy this basic computer and upgrade whenever you're ready.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.