- up on as an adjective:
- 1
up on
adjective
1 up on
Being up to particular standard or level especially in being up to date in knowledge:
— Up on the news.
synonyms: abreast, au courant, au fait.
Moby thesaurus: abreast of, acquainted with, adept in, at home in, at home with, au courant, briefed, conversant with, educated, enlightened, expert at, familiar with, good at, handy at, informed, informed in, instructed, intimate with, master of, posted ... show more.
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