- (adv.) By which; -- used relatively.
- (adv.) By what; how; -- used interrogatively.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). whereby. Retrieved September 20, 2026, from http://smartdefine.org/whereby/definitions/2081615 |
| Chicago | Webster's. 2011. "whereby" http://smartdefine.org/whereby/definitions/2081615 (accessed September 20, 2026). |
| Harvard | Webster's 2011, whereby, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/whereby/definitions/2081615>. |
| MLA | Webster's. "whereby" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/whereby/definitions/2081615> |