(a.) Quiet; calm; undisturbed; peaceful; not agitated; as, the atmosphere is tranquil; the condition of the country is tranquil.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). tranquil. Retrieved September 20, 2026, from http://smartdefine.org/tranquil/definitions/2073904 |
| Chicago | Webster's. 2011. "tranquil" http://smartdefine.org/tranquil/definitions/2073904 (accessed September 20, 2026). |
| Harvard | Webster's 2011, tranquil, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/tranquil/definitions/2073904>. |
| MLA | Webster's. "tranquil" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/tranquil/definitions/2073904> |