upgrade
UK/ʌp'greɪd/US/'ʌpgreid/
TOEFLGREB2
Definitions
v.
To improve something or replace it with a better version.
升级，提升。
n.
An improved version, or the act of improving.
升级版；升级。
Root Breakdown
Root-derivedup + grade (a rank/level) = to move up a grade. Originally about raising rank or quality; now overwhelmingly about technology — upgrading software, phones, plans.
Root gress still carries 64 more wordsUsage Guide
Like many gress words, stress can shift: the verb often stresses up-GRADE (/ʌpˈɡreɪd/), the noun UP-grade (/ˈʌpɡreɪd/), though in everyday tech speech both are heard with first-syllable stress. Common collocations: upgrade to (a better plan), an upgrade from (the old one).
Example Sentences
- 1.
We upgraded the servers to handle more traffic.
- 2.
The software upgrade fixed several security bugs.
- 3.
She got a free upgrade to business class.