expeditionary force

/ˌɛkspɪˈdiʃənɛri ˈfɔːrs/
noun phraseIntermediate military unit sent on a specific mission
formal

A military unit organized and deployed for a specific mission, often overseas, to achieve strategic or tactical objectives.

The United Nations authorized an expeditionary force to provide humanitarian aid during the crisis.

A military unit was sent to deliver aid and support in a troubled area.

Historically, expeditionary forces were used to project power beyond a nation's borders.

Military units were deployed to distant locations to extend a country's influence.

💡

The term emphasizes the temporary and mission-specific nature of the deployment.

Collocations

deploy an expeditionary forceto send a military unit on a missionexpeditionary force operationsmilitary actions conducted by such units

Related Phrases

peacekeeping forcephrase
a military unit deployed to maintain peace
rapid deployment forcephrase
a military unit capable of quick response

💡Pro Tip

Context Matters

Use 'expeditionary force' for strategic or temporary missions, not for routine military presence.

Gold Rule

Formal Usage

This phrase is formal and typically used in military, diplomatic, or strategic discussions.

📖Word Origin

From 'expedition' (a journey undertaken for a particular purpose) + 'force' (a group of military personnel). The phrase became prominent in the 20th century to describe specialized deployments.

📝Usage Notes

Often used in formal military or diplomatic contexts to describe overseas operations. Avoid using it for routine or domestic military activities.

Word Breakdown

expeditionary
relating to a mission or journey
root
+
force
a group of military personnel
root
English Dictionary