add-on

1 of 2

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

add-on

2 of 2

adjective

1
: being or able to be added on
an add-on option
add-on fees
2
: able to be added to
add-on certificates of deposit

Synonyms of add-on

Relevance

Noun

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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
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.
Noun
Stretch that across pedicures and add-on services and the annual bill climbs higher still. — Lauren Jarvis-Gibson, Kansas City Star, 26 June 2026 This volume of wellness-specific requests tells us restoration has stopped being an add-on to a trip. — Roger Sands, Forbes.com, 1 July 2026
Adjective
Now, the conversations about the business, that's all an add-on. — Steve Baltin, Forbes, 16 Mar. 2023 For these patients, Nexletol could be an effective add-on treatment. — Nick Blackmer, Verywell Health, 22 Mar. 2023 See All Example Sentences for add-on

Word History

First Known Use

Noun

1930, in the meaning defined above

Adjective

1955, in the meaning defined at sense 1

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

Rhymes for add-on

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Browse Nearby Words

addnl
add-on
addorsed
See all Nearby Words

Cite this Entry

“Add-on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/add-on. Accessed 7 Jul. 2026.

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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

More from Merriam-Webster on add-on

Nglish: Translation of add-on for Spanish Speakers

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