Dictionary.com

add-on

[ ad-on, -awn ]
/ ˈædˌɒn, -ˌɔn /
Save This Word!

noun
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.
anything added on: a hi-fi system that can be augmented with add-ons like extra speakers.
adjective
being installed or provided as an add-on: an add-on speaker system.
QUIZ
TAKE JOY IN ACING THIS QUIZ ON “PRIDE” SYNONYMS
Hold your head up high as you embark on this quiz that explores some of the synonyms and meanings of “pride.”
Question 1 of 7
What does "dignity" mean?

Origin of add-on

First recorded in 1945–50; noun and adj. use of verb phrase add on
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use add-on in a sentence

British Dictionary definitions for add-on

add-on

noun
a feature that can be added to a standard model or package to give increased benefits
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK