- a large gathering, as of a political party or the teams of a sporting league, often including a program of speeches and entertainment.
- a large gathering of members of the Boy Scouts or Girl Scouts, usually nationwide or international in scope (distinguished from camporee).
- any large gathering with a partylike atmosphere: We're spotlighting aspects of each of the major December traditions—Christmas, Hanukkah, Kwanzaa—to create one all-inclusive jamboree.
- a carousal; any noisy merrymaking.
- a large and often international gathering of Scouts
- a party or spree