noun
- A commissioned military officer.
- An officer in a police force.
- synonyms: police lieutenant
- An assistant with power to act when his superior is absent.
- synonyms: deputy
- An officer holding a commissioned rank in the United States Navy or the United States Coast Guard; below lieutenant commander and above lieutenant junior grade. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Lieutenant. Retrieved September 21, 2026, from http://smartdefine.org/lieutenant/definitions/1230769 |
| Chicago | WordNet. 2010. "Lieutenant" http://smartdefine.org/lieutenant/definitions/1230769 (accessed September 21, 2026). |
| Harvard | WordNet 2010, Lieutenant, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/lieutenant/definitions/1230769>. |
| MLA | WordNet. "Lieutenant" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/lieutenant/definitions/1230769> |