up on

1. 1.

   being up to particular standard or level especially in being up to date in knowledge

   “kept abreast of the latest developments”

   “constant revision keeps the book au courant”

   “always au fait on the latest events”

   “up on the news”

   Synonymsabreastau courantau fait

   Similarinformed

Questions about up on

What does up on mean?

up on means "being up to particular standard or level especially in being up to date in knowledge".

What is another word for up on?

Close synonyms include abreast, au courant, au fait. 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 up on a common word?

up 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.