add-on

Questions about add-on

What does add-on mean?

add-on means "a software module that extends or enhances the capabilities of an existing application". That is the primary sense; the word has 3 in total, listed in full on this page.

How many syllables are in add-on?

add-on has 2 syllables: ad-d-on. The stress falls on "ad".

What is another word for add-on?

Close synonyms include plug-in, addition, improver, accessory, appurtenance. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is add-on a common word?

add-on is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.