Meaning of add-on In English

• 0 a piece of equipment that can be connected to a computer to give it an extra use:

  • A printer is a useful add-on.

  • Legal expenses cover is often sold as an add-on to household insurance policies.

• 1 to include an extra thing or amount:

  • When you add on the amount you have to spend to earn Air Miles, the savings are dubious.

• 2 to build an extra part on a building:

  • Developers want to improve the site or add on.

• 3 something extra that is added to a product to make it better:

  • DVDs often include bonus endings and other add-ons.

  • an add-on to sth Many companies offer legal expenses cover as an add-on to home insurance policies.

  • add-on parts/products/services

• 4 a piece of computer equipment or software that is added to a computer so that the computer can do more or different things:

  • an add-on to sth It would require an add-on to a browser to make it all work.

  • add-on devices/features/software

• 5 extra:

  • add-on costs/fees/charges Car dealers profit from questionable add-on charges, such as for extended warranties.