WordWeb Online

1. A military campaign designed to achieve a specific objective in a foreign country
   - military expedition, hostile expedition
    
2. An organized group of people undertaking a journey for a particular purpose
   "an expedition was sent to explore Mars"
    
3. A journey organized for a particular purpose
    
4. A journey taken for pleasure
   - excursion, jaunt, outing, junket, pleasure trip, sashay [N. Amer]
    
5. The property of being prompt and efficient
   - dispatch, despatch [Brit], expeditiousness

Derived forms: expeditions

See also: expeditionary, expeditious

Type of: campaign, celerity, journey, journeying, military campaign, quickness, rapidity, rapidness, speediness, working group, working party [Brit]

Encyclopedia: Expedition