They plan on publishing a supplement to the second edition of the dictionary.
Synonyms and examplesadditionBlueberries make a delicious addition to your smoothies.
extensionUKThey're building a new extension.
add-onYou can install add-ons such as toolbars and ad blockers to this browser.
accessoryYou can buy various accessories for your phone.
attachmentThe tool comes with useful cutting attachments.
extraA sunroof is an optional extra on this model of the car.
Go to the thesaurus article about these synonyms and antonyms ofsupplement.
See alsoadd
add up
total
find the sum
find the total
add up to
come to
go on
state further
continue
Learn more
When youadd up numbers, you calculate their total value.Something that is addedis an addition. You can alsoadd a comment.