abreast

Words with a similar base: abreast

'abreast'

[abreast.s.01] as in: being up to particular standard or level especially in being up to date in knowledge

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Examples:
kept abreast of the latest developments
constant revision keeps the book au courant
always au fait on the latest events
up on the news

'abreast'

[abreast.r.01] as in: alongside each other, facing in the same direction