add-on

noun

ˈad-ˌän How to pronounce add-on (audio)
-ˌȯn
Synonyms of add-onnext
: something added on: such as
a
: a sum or amount added on
b
: something (such as an accessory or added feature) that enhances the thing it is added to
computer hardware add-ons

Examples of add-on in a Sentence

a blow-dryer that comes with a couple of add-ons for people who are serious about styling their hair
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
After Mackinac Island city officials denied a request from the ferry services for a $2 fare increase, the companies responded by increasing add-on costs, such as parking, baggage and bicycle transport. Paula Wethington, CBS News, 3 June 2026 But Everton have made around £50m from their academy graduate, factoring in the initial £40m fee paid by Newcastle, add-ons, their 15 per cent (of profit) sell-on clause and solidarity payments due now the Barcelona deal has been finalised. Patrick Boyland, New York Times, 2 June 2026 Whether the bathroom funding amendment will survive is unclear, given that it was included as an add-on to Weber’s amendment package, which also includes an up to $3 million cut from the Boston Police Department budget. Gayla Cawley, Boston Herald, 2 June 2026 For guided off-train experiences, passengers can purchase add-on tours of the Columbia Icefields, Maligne Lake (which is the largest natural lake in the Canadian Rockies), Jasper National Park, and more. Jessica Puckett, Condé Nast Traveler, 1 June 2026 See All Example Sentences for add-on

Word History

First Known Use

1930, in the meaning defined above

Time Traveler
The first known use of add-on was in 1930

Browse Nearby Words

Cite this Entry

“Add-on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/add-on. Accessed 11 Jun. 2026.

Legal Definition

add-on

adjective
1
: being or able to be added on
add-on no-fault benefits
2
: able to be added to
add-on certificates of deposit

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