upgrade

/ˌʌpˈɡreɪd/
noun
  1. An act or instance of improving something by replacing it with a newer or better version.
    • The software upgrade fixed several bugs.
    • We received a free upgrade to a suite at the hotel.
    • I bought a memory upgrade for my laptop.
  2. An improved version or model of something.
    • The upgrade to the app added new features.
    • The new phone is a significant upgrade from the previous model.
    • This year's car comes with several upgrades, including a better sound system.
Antonyms
verb
  1. To improve something by replacing it with a newer, better, or more advanced version.
    • We decided to upgrade our kitchen appliances to save energy.
    • You should upgrade your computer's operating system to the latest version.
    • The airline upgraded me to first class for free.
  2. To improve the quality or status of something.
    • The company upgraded its security system after the break-in.
    • The city plans to upgrade the park with new playground equipment.
    • She upgraded her skills by taking an online course.
Antonyms
What does "upgrade" mean? | whatsthatwordmean | whatsthatwordmean