- (adv.) Side by side, with breasts in a line; as, "Two men could hardly walk abreast.".
- (adv.) Side by side; also, opposite; over against; on a line with the vessel's beam; -- with of.
- (adv.) Up to a certain level or line; equally advanced; as, to keep abreast of [or with] the present state of science.
- (adv.) At the same time; simultaneously.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). abreast. Retrieved September 22, 2026, from http://smartdefine.org/abreast/definitions/1969831 |
| Chicago | Webster's. 2011. "abreast" http://smartdefine.org/abreast/definitions/1969831 (accessed September 22, 2026). |
| Harvard | Webster's 2011, abreast, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/abreast/definitions/1969831>. |
| MLA | Webster's. "abreast" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/abreast/definitions/1969831> |