: 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
1
: being or able to be added on
an add-on device
2
: able to be added to
add-on certificates of deposit
Examples of add-on in a Sentence
Noun
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
Antonia Mortensen, CNN Money, 28 Oct. 2025
The trailer does lack a bathroom—which is disappointing, though not unexpected in the class—but a Joolca Hottap heated shower system is available as an add-on.
—Bryan Hood, Robb Report, 24 Oct. 2025
Nick Blackmer, Verywell Health, 22 Mar. 2023
These add-on panels, along with the bumpers and mirrors, are all painted the color of the body, which on the 16V is restricted to silver, red, or black.
—Csaba Csere, Car and Driver, 21 Mar. 2023
See All Example Sentences for add-on
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Noun
Optional add-ons, such as the $500-tour of medieval Montalcino with a Brunello wine tasting, feel almost restrained in comparison.
—Antonia Mortensen, CNN Money, 28 Oct. 2025
The trailer does lack a bathroom—which is disappointing, though not unexpected in the class—but a Joolca Hottap heated shower system is available as an add-on.
—Bryan Hood, Robb Report, 24 Oct. 2025
Adjective
For these patients, Nexletol could be an effective add-on treatment.
—Nick Blackmer, Verywell Health, 22 Mar. 2023
These add-on panels, along with the bumpers and mirrors, are all painted the color of the body, which on the 16V is restricted to silver, red, or black.
—Csaba Csere, Car and Driver, 21 Mar. 2023
See All Example Sentences for add-on
Cite this Entry
“Add-on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/add-on. Accessed 31 Oct. 2025.
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