up on

adjective

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

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kept abreast of the latest developments

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constant revision keeps the book au courant

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always au fait on the latest events

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up on the news

• Syn: ↑abreast, ↑au courant, ↑au fait

• Similar to: ↑informed

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well informed about

he was up on the latest methods