add on

1. 1.

   make an addition

   “Let's add on to this”

   Broaderadd
2. 2.

   add to the very end

   “He appended a glossary to his novel where he used an invented language”

   Synonymsappendsupplementaffix

   Broaderattach

   Narrowerannex

Questions about add on

What does add on mean?

add on means "make an addition". That is the primary sense; the word has 2 in total, listed in full on this page.

What is another word for add on?

Close synonyms include append, supplement, affix. 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 "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.