add-on

[ad-on, -awn]

noun

1. a device or unit added to equipment or a construction.

   an add-on to a computer;

   a nice add-on to an old house.

2. an extra charge.

   Add-ons for taxes and tour guide fees boosted the price of the vacation to $2,500.

3. an additional item, as a rider or provision.

   This is just another legislative add-on.

4. anything added on.

   Our sable faux fur vest is an easy add-on for dressy or casual occasions.

adjective

1. being installed or provided as an add-on.

   Add-on packs for this game are just a few dollars.

add-on

noun

1. a feature that can be added to a standard model or package to give increased benefits

Word History and Origins

Origin of add-on¹

First recorded in 1945–50; noun and adj. use of verb phrase add on

Example Sentences

"Consumers need to take add-on policies but even those claims can be denied or downgraded based on fine print of the policy," he added.

From BBC

Fox News Media’s existing streaming channel, Fox Nation, will be offered as a $5 add-on for Fox One for a total of $24.99 a month.

From Los Angeles Times

“Korea wasn’t just shown as an extra add-on as it has been for so long,” Kim said.

From Los Angeles Times

The 27-year-old has signed a five-year deal with the Gunners after the move was held up because of negotiations between the clubs over add-on payments.

From BBC

However, the move for the Sweden forward has been held up because of negotiations between the clubs over add-on payments.

From BBC

Related Words

• preservative 
• supplement