(a.) Not probable; unlikely to be true; not to be expected under the circumstances or in the usual course of events; as, an improbable story or event.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). improbable. Retrieved September 20, 2026, from http://smartdefine.org/improbable/definitions/2019834 |
| Chicago | Webster's. 2011. "improbable" http://smartdefine.org/improbable/definitions/2019834 (accessed September 20, 2026). |
| Harvard | Webster's 2011, improbable, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/improbable/definitions/2019834>. |
| MLA | Webster's. "improbable" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/improbable/definitions/2019834> |