- (n.) One who keeps a constant watch of the conduct of others.
- (v.t.) To gain sight of; to discover at a distance or in a state of concealment; to espy; to see.
- (v.t.) To discover by close search or examination.
- (v.i.) To search narrowly; to scrutinize.
- (n.) A person sent secretly into an enemy's camp, territory or fortifications, to inspect his works, ascertain his strength, movements or designs, and to communicate such intelligence to the proper officer.
- (v.t.) To explore; to view; inspect; and examine secretly, as a country; -- usually with out.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). spy. Retrieved September 20, 2026, from http://smartdefine.org/spy/definitions/2065480 |
| Chicago | Webster's. 2011. "spy" http://smartdefine.org/spy/definitions/2065480 (accessed September 20, 2026). |
| Harvard | Webster's 2011, spy, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/spy/definitions/2065480>. |
| MLA | Webster's. "spy" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/spy/definitions/2065480> |