say it: uh-BREST
abreast is an adjective and adverb meaning "being up to particular standard or level especially in being up to date in knowledge". It carries 2 recorded senses.
being up to particular standard or level especially in being up to date in knowledge
“kept abreast of the latest developments”
“constant revision keeps the book au courant”
“always au fait on the latest events”
“up on the news”
alongside each other, facing in the same direction
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for abreast come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.