Oxford Dictionary English street party nounnoun BrE BrE//ˈstriːt pɑːti// ; NAmE NAmE//ˈstriːt pɑːrti// (especially British English) Add to my wordlistjump to other resultsan outdoor party, usually held on a street that has been closed to traffic, for all the people who live on the street or in the neighbourhood They celebrated the royal wedding with a huge street party. compare block partyCheck pronunciation: street party oxfordlearnersdictionaries.com