13 letters · 26 points in Scrabble
adjective (used of military forces) designed for military operations abroad
originEtymology tree English expedition Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusder. Middle English -arie English -ary English expeditionary From expedition + -ary.
Etymology from Wiktionary, CC BY-SA 3.0