- (a.) Concealed or hidden out of the way.
- (a.) Remote from apprehension; difficult to be comprehended or understood; recondite; as, abstruse learning.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). abstruse. Retrieved September 22, 2026, from http://smartdefine.org/abstruse/definitions/1969972 |
| Chicago | Webster's. 2011. "abstruse" http://smartdefine.org/abstruse/definitions/1969972 (accessed September 22, 2026). |
| Harvard | Webster's 2011, abstruse, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/abstruse/definitions/1969972>. |
| MLA | Webster's. "abstruse" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/abstruse/definitions/1969972> |