expeditionary

== English == === Etymology === From expedition +‎ -ary. === Pronunciation === === Adjective === expeditionary (not comparable) Of or pertaining to an expedition. (military) Intended for military operations abroad. an expeditionary force === Noun === expeditionary (plural expeditionaries) (chiefly in the plural) One who goes on expeditions, especially one who is a member of an expeditionary military force.