Definition of abreast of
1 : next to (someone or something) <She was running alone for a while, then another runner drew abreast of her.>
2 : aware of or informed about (new occurrences, facts, etc.) <She is always abreast of the latest political news.> <He likes to keep/stay abreast of the news.>
Word by Word Definitions
: beside one another with bodies in line
: up to a particular standard or level especially of knowledge of recent developments
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