expeditionary
adjective
ex·pe·di·tion·ary
ˌek-spə-ˈdi-shə-ˌner-ē 
: 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
More than 10,000 Marines from expeditionary units are now in theater, giving Trump the option to launch limited ground operations, such as seizing a small stretch of coastline or initiating an assault on Kharg Island, the hub of Iran’s oil industry.
—
Los Angeles Times, 2 May 2026
This flexibility is important for expeditionary operations, where infrastructure may be limited or damaged.
—Sujita Sinha, Interesting Engineering, 29 Apr. 2026
The Defense Department did not name the ship, but the USS Miguel Keith, one of five expeditionary sea base vessels in the US fleet, was recently in the area, having transited through the Malacca Strait.
—Brad Lendon, CNN Money, 22 Apr. 2026
The Continental Army was going to square off against the largest expeditionary force in British history in the summer of 1776.
—Christopher Magra, The Conversation, 7 Apr. 2026
See All Example Sentences for expeditionary
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.
Los Angeles Times, 2 May 2026
This flexibility is important for expeditionary operations, where infrastructure may be limited or damaged.
—Sujita Sinha, Interesting Engineering, 29 Apr. 2026
The Defense Department did not name the ship, but the USS Miguel Keith, one of five expeditionary sea base vessels in the US fleet, was recently in the area, having transited through the Malacca Strait.
—Brad Lendon, CNN Money, 22 Apr. 2026
The Continental Army was going to square off against the largest expeditionary force in British history in the summer of 1776.
—Christopher Magra, The Conversation, 7 Apr. 2026
See All Example Sentences for expeditionary
Cite this Entry
“Expeditionary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expeditionary. Accessed 5 May. 2026.
Copy CitationKids Definition
expeditionary
adjective
ex·pe·di·tion·ary
ek-spə-ˈdish-ə-ˌner-ē
: sent on military service abroad
an expeditionary force
Love words? Need even more definitions?
Merriam-Webster unabridged
