1. (adv.) Side by side; also, up to date; as, keeping abreast of current events\.

2. (adv.) Side by side; also, opposite; over against; on a line with the vessel's beam; -- with of.

3. (adv.) Up to a certain level or line; equally advanced; as, to keep abreast of [or with] the present state of science.

4. (adv.) At the same time; simultaneously.

abeam acquainted along by alongside au courant au fait beside by coextensively collaterally contemporary conversant equidistantly in parallel informed nondivergently parallelly parallelwise red-hot side-by-side up up-to-date up-to-the-minute versed