add-on

noun
\ ˈad-ˌän How to pronounce add-on (audio) , -ˌȯn \

Definition of add-on

 (Entry 1 of 2)

: 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

adjective

Definition of add-on (Entry 2 of 2)

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

First Known Use of add-on

Noun

1930, in the meaning defined above

Adjective

1955, in the meaning defined at sense 1

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Cite this Entry

“Add-on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/add-on. Accessed 22 Apr. 2021.

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More Definitions for add-on

add-on

noun

English Language Learners Definition of add-on

: an extra part or device that can be added to something else to improve it

add-on

adjective

Legal Definition of add-on

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

Thesaurus: All synonyms and antonyms for add-on

Nglish: Translation of add-on for Spanish Speakers

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