add-on
Americannoun
-
add-ons
plural
-
a device or unit added to equipment or a construction.
an add-on to a computer;
a nice add-on to an old house.
-
an extra charge.
Add-ons for taxes and tour guide fees boosted the price of the vacation to $2,500.
-
an additional item, as a rider or provision.
This is just another legislative add-on.
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anything added on.
Our sable faux fur vest is an easy add-on for dressy or casual occasions.
adjective
noun
Other Word Forms
Noun Inflected Forms
Etymology
Origin of add-on
First recorded in 1945–50; noun and adj. use of verb phrase add on
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
Takeaways from this high-tech, high-stakes MLB add-on that became instantly popular with fans and something of a poker hand for players:
From Los Angeles Times ● Oct. 7, 2026
According to EA's latest financial report, , externalFUT was responsible for a "substantial portion" of the $5.5bn annual revenue it made from selling add-on content for its games.
From BBC ● Jul. 24, 2026
The companies’ direct-to-cell exclusivity deal in the U.S., which currently offers Starlink Mobile as a $10 per month add-on to T-Mobile’s plans, ends next month.
From MarketWatch ● Jun. 29, 2026
As of January, employers can instead buy the coverage as an add-on, and 20% have opted to, says Amy McHugh, a spokeswoman for the Massachusetts insurer.
From The Wall Street Journal ● Jun. 7, 2026
She lay in a supply of after-school snacks, and she gave me a key to the back door, the one that opened the add-on living room.
From "Silent To The Bone" by E.L. Konigsburg
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Dutch Bros is also known for brightly colored energy drinks, offering a long list of flavors and add-ons, and for serving mostly cold drinks.
From The Wall Street Journal ● Oct. 2, 2026
He feels he has no choice but to keep up with other dealers in his area, even if his competitors are obscuring fees and add-ons, he said.
From The Wall Street Journal ● Sep. 20, 2026
It also assumed add-ons of 5% for independent production companies and 5% for labor costs in areas the Federal Emergency Management Agency has declared disasters.
From Los Angeles Times ● Sep. 15, 2026
Liverpool have completed the signing of 18-year-old goalkeeper Lucca Brughmans from Belgian side Genk in a deal that could be worth up to £30m including add-ons.
From BBC ● Sep. 1, 2026
Or consider the automobile dealership: a salesman does his best to obscure the car’s base price under a mountain of add-ons and incentives.
From "Freakonomics: A Rogue Economist Explores the Hidden Side of Everything" by Steven D. Levitt
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.