Abreast is defined as things that are next to each other.(adverb)
An example of abreast is a row of soldiers marching in a parade.
Abreast means to keep up with something and to stay up-to-date.(adverb)
An example of abreast is the president of a company that stays informed on the competition’s new products.
See abreast in Webster's New World College Dictionary
Origin: a- + breast
See abreast in American Heritage Dictionary 4
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