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abreast

1 ENTRIES FOUND:
abreast ˈbrɛst/ adverb
abreast
ˈbrɛst/
adverb
Britannica Dictionary definition of ABREAST
used to describe two or more people or things that are next to each other in a line

abreast of

: next to (someone or something)
: aware of or informed about (new occurrences, facts, etc.)