ex·​pe·​di·​tion·​ary | \ ˌek-spə-ˈdi-shə-ˌner-ē How to pronounce expeditionary (audio) \

Definition of expeditionary

: of, relating to, or being an expedition also : sent on military service abroad an expeditionary force

Examples of expeditionary in a Sentence

Recent Examples on the Web Soldiers from the Muslim-majority nation became known as the region’s crack expeditionary fighting force. Joe Parkinson, WSJ, "Chad’s President Dies After Battle With Rebels, Military Says," 20 Apr. 2021 The Army specifies that two MPFs need to fit inside a C-17 airlifter so they can be flown to airfields to support expeditionary forces. Eric Tegler, Popular Mechanics, "Two Light Tank Prototypes Battle for the Future of Army Firepower," 7 Mar. 2021 Beijing accuses Washington and other foreign navies of stoking tensions in the region by sending in warships like the current expeditionary group led by the carrier Roosevelt. Brad Lendon, CNN, "US and China deploy aircraft carriers in South China Sea as tensions simmer," 12 Apr. 2021 The expeditionary force, one of the three in the Marines Corps, posted a tweet in support of U.S. Master Gunnery Sgt. Matthew Brown, USA TODAY, "'We are human and we messed up': U.S. Marine account apologizes for comments defending female service members," 15 Mar. 2021 Both types of vessel can be used in a wide array of military operations, from expeditionary warfare to sea control to disaster relief. Loren Thompson, Forbes, "How The Biden Administration Can Save A Bundle Building Warships—Without Giving Up Anything," 1 Mar. 2021 The Marines, as a fast-moving expeditionary force that relies on grunts to carry lots of gear to the front line, sees itself as an odd fit for gender integration. Patrik Jonsson, The Christian Science Monitor, "Women warriors: A Marine Corps bootcamp struggles to integrate," 5 Feb. 2021 Both are capable of not only defending the ship, but a larger, multi-ship task force as a whole, such as a carrier strike group or amphibious expeditionary strike group. Kyle Mizokami, Popular Mechanics, "The Navy Hopes Its New Frigates Will Snap a Mediocre Ship Streak," 14 Jan. 2021 Included in the bill is an amendment from Rep. Bradley Byrne, R-Fairhope, that allocates $260 million for an expeditionary fast transport vessel to be built at Austal USA’s Mobile facility. Howard Koplowitz | Hkoplowitz@al.com, al, "Defense bill with Byrne amendment for Austal-built ship passes House," 9 Dec. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'expeditionary.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of expeditionary

1817, in the meaning defined above

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Time Traveler for expeditionary

Time Traveler

The first known use of expeditionary was in 1817

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Statistics for expeditionary

Last Updated

2 May 2021

Cite this Entry

“Expeditionary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expeditionary. Accessed 10 May. 2021.

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English Language Learners Definition of expeditionary

: relating to an expedition
: sent to fight in a foreign country

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