- (n.) Respect; reverence; regard; act of respect; homage.
- (n.) Specifically, obedience or submission due to parents and superiors.
- (n.) Hence, any assigned service or business; as, the duties of a policeman or a soldier; to be on duty.
- (n.) That which a person is bound by moral obligation to do or refrain from doing; that which one ought to do; service morally obligatory.
- (n.) That which is due; payment.
- (n.) Tax, toll, impost or customs; excise; any sum of money required by government to be paid on the importation, exportation or consumption of goods.
- (n.) The efficiency of an engine, especially a steam pumping engine, as measured by work done by a certain quantity of fuel; usually, the number of pounds of water lifted one foot by one bushel of coal (94 lbs. old standard) or by 1 cwt. (112 lbs., England or 100 lbs., United States).
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). duty. Retrieved September 25, 2026, from http://smartdefine.org/duty/definitions/2001115 |
| Chicago | Webster's. 2011. "duty" http://smartdefine.org/duty/definitions/2001115 (accessed September 25, 2026). |
| Harvard | Webster's 2011, duty, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/duty/definitions/2001115>. |
| MLA | Webster's. "duty" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/duty/definitions/2001115> |