abreast

Side by side and facing forward.

On Sunday afternoon it was as dark as night, with barely room for two riders abreast on a gradient that touches 20%.

The only path was narrow and rugged: two men could hardly walk abreast;

Alongside; parallel to.

Informed, well-informed, familiar, acquainted.

Followed by of or with: up to a certain level or line; equally advanced.

She believes it is important to keep abreast of new scientific developments.

Breast high (of an advancing wave).

The west wind blew a tempest, and, according to the common expression, brought in the water [of the Solway] three foot abreast.

Side by side, facing forward.

Alongside; parallel to.

Informed, well-informed, familiar, acquainted.

Up to a certain level or line; equally advanced

to keep abreast of [or with] the present state of science

Some people are born with a vital and responsive energy. It not only enables them to keep abreast of the times; it qualifies them to furnish in their own personality a good bit of the motive power to the mad pace.

Side by side; also, opposite; over against; on a line with the vessel's beam.

Abreast of; alongside.

This ship sank abreast the island.