- (a.) Fig.: Deviating from rectitude; indirect; erroneous; deceitful.
- (a.) Oblique; -- applied to the six signs of the zodiac (from Capricorn to Gemini) which ascend most rapidly and obliquely.
- (a.) Bent in different directions; wreathed; twisted; winding; as, a tortuous train; a tortuous train; a tortuous leaf or corolla.
- (a.) Injurious: tortious.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). tortuous. Retrieved September 22, 2026, from http://smartdefine.org/tortuous/definitions/2073462 |
| Chicago | Webster's. 2011. "tortuous" http://smartdefine.org/tortuous/definitions/2073462 (accessed September 22, 2026). |
| Harvard | Webster's 2011, tortuous, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/tortuous/definitions/2073462>. |
| MLA | Webster's. "tortuous" 28 May 2011. Web. 22 September 2026. <http://smartdefine.org/tortuous/definitions/2073462> |