boomerangPronunciation: /ˈbuːməraŋ/Translate boomerang | into German | into Italian | into Spanish Definition of boomerang noun a curved flat piece of wood that can be thrown so that it will return to the thrower, traditionally used by Australian Aborigines as a hunting weapon. verb [no object] (of a plan or action) recoil on the originator:misleading consumers about quality will eventually boomerang on a car-makerOrigin: early 19th century: from Dharukboomerang in other Oxford dictionaries Definition of boomerang in the US English dictionary