noun🔗ShareA weight training implement consisting of a short bar with weight counterpoised on each end."He lifted the dumbbell repeatedly to build strength in his arms. "sportitembodyChat with AIVocabulary GamePractice Reading
noun🔗ShareA stupid person."My brother is such a dumbbell; he forgot to bring his homework to school again. "personcharacterChat with AIVocabulary GamePractice Reading