: 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
Synonyms
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
Ars Technica, 10 Feb. 2025
The offer excludes add-ons, extras, substitutions, Kid's Pizzas, gluten-free, taxes, and fees, and is not valid with any other offer or reward, or third-party delivery, the company said.
—Gabe Hauari, USA TODAY, 10 Feb. 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
The standard price will be $15 a month as an add-on for T-Mobile customers, and $20 a month for people who don't have T-Mobile as their primary carrier.
—Ars Technica, 10 Feb. 2025
The offer excludes add-ons, extras, substitutions, Kid's Pizzas, gluten-free, taxes, and fees, and is not valid with any other offer or reward, or third-party delivery, the company said.
—Gabe Hauari, USA TODAY, 10 Feb. 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
Dictionary Entries Near add-on
Cite this Entry
“Add-on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/add-on. Accessed 14 Feb. 2025.
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