reconnaissance

noun

re·​con·​nais·​sance ri-ˈkä-nə-zən(t)s How to pronounce reconnaissance (audio)
-sən(t)s
Synonyms of reconnaissance
: a preliminary survey to gain information
especially : an exploratory military survey of enemy territory

Examples of reconnaissance in a Sentence

There are two helicopters available for reconnaissance. They did a reconnaissance of the enemy's position.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Romulus family of USVs is designed for a wide range of mission sets, including intelligence, surveillance, and reconnaissance (ISR), mine countermeasures, strike operations, and counter-unmanned systems. Aditya Jadhav, Interesting Engineering, 12 June 2026 Its unmanned ground vehicles are conducting reconnaissance, evacuations and logistical missions. Elizabeth Shackelford, Chicago Tribune, 12 June 2026 These drones provide real-time reconnaissance, giving Russian troops an additional set of eyes above ground level to identify Ukrainian defensive positions, particularly those concealed within buildings. Vikram Mittal, Forbes.com, 12 June 2026 Apache helicopters are primarily used for precision strikes, close air support, and air reconnaissance, according to the Central Command website. Todd Symons, CNN Money, 9 June 2026 See All Example Sentences for reconnaissance

Word History

Etymology

French, literally, recognition, from Middle French reconoissance, from Old French reconoistre to recognize

First Known Use

1779, in the meaning defined above

Time Traveler
The first known use of reconnaissance was in 1779

Browse Nearby Words

Cite this Entry

“Reconnaissance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reconnaissance. Accessed 17 Jun. 2026.

Kids Definition

reconnaissance

noun
re·​con·​nais·​sance ri-ˈkän-ə-zən(t)s How to pronounce reconnaissance (audio)
: a survey (as of enemy territory) to gain information
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