noun🔗ShareThe state of being tough"The athlete's toughness allowed her to finish the marathon despite a painful injury. "qualitycharactermaterialChat with AIVocabulary GamePractice Reading
noun🔗Share(of a metal) Resistance to fracture when stressed"The new metal alloy showed great toughness, resisting the stress of repeated bending without breaking. "materialphysicstechnicalChat with AIVocabulary GamePractice Reading
noun🔗ShareA formidable difficulty"The toughness of the math exam surprised many students. "qualityconditionsituationcharacterChat with AIVocabulary GamePractice Reading
