Add-on (noun)

  1. A software or hardware component added to a computer or program to give extra features or functions.
  2. A supplement or accessory added to something else.


Mid-20th century: from add + on.


  1. A browser add-on that blocks ads.
  2. The game came with several add-ons that expanded its gameplay.
  3. A new add-on for the flight simulator program.
  4. The add-on to the car allows it to run on electric power.
  5. An add-on feature to the phone's camera.
Some random words: bounce, portfolio, waterfront