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Definition of expeditionary

expeditionary

/ˌɛk.spəˈdɪʃ.əˌnɛr.i/
ex · pe · di · tion · ar · y
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expeditionary Lexical Profile

expeditionary Game Scores & Validity

• adjective

1

Designating or relating to military forces organized and equipped for rapid deployment to foreign or distant operations.

Example

"Historical archives preserve the correspondence of nurses and engineers who served with the overseas expeditionary forces."

2

Relating to, designed for, or constituting an organized journey or voyage undertaken for a specific purpose, such as scientific exploration or research.

Example

"The university funded an expeditionary team of glaciologists to study ice cores in the high Arctic."

Synonyms
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Antonyms
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• Rhymes for expeditionary

• Nearby Words

expedite
expediter
expedition
expeditionary
expeditioner
expeditious
expeditiously

Word Origin & Etymology

Formed in the early 19th century from the noun 'expedition' plus the adjectival suffix '-ary', ultimately tracing back to Latin 'expedire' (to free the feet from fetters, make ready).

Cite this Entry

Wordmom. (2026). Definition of Expeditionary. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/expeditionary
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