adv. 1. side by side and facing the same way: the path was wide enough for two people to walk abreast | they were riding three abreast.
2. alongside or level with something: the cart came abreast of the Americans in their rickshaw.
3. figurative up to date with the latest news, ideas, or information: keeping abreast of developments.
See the Introduction, Abbreviations and Pronunciation for further details.