Oxford Dictionary English tour de force noun noun BrE BrE//ˌtʊə də ˈfɔːs// ; NAmE NAmE//ˌtʊr də ˈfɔːrs// (pl. tours de force BrE BrE//ˌtʊə də ˈfɔːs// ; NAmE NAmE//ˌtʊr də ˈfɔːrs// ) (from French) Add to my wordlistjump to other resultsan extremely skilful performance or achievement a cinematic tour de force It was described as a ‘literary tour de force’. Word OriginFrench, literally ‘feat of strength’.See tour de force in the Oxford Advanced American DictionaryCheck pronunciation: tour de force oxfordlearnersdictionaries.com