adjective🔗ShareIndefatigable, untiring and not yielding to fatigue"Despite the long hours and demanding workload, the student remained tireless in their studies. "characterabilitypersonChat with AIVocabulary GamePractice Reading
adjective🔗ShareWithout a tire (wheel covering); tyreless."The marathon runner was tireless, completing the race without stopping. "characterabilityChat with AIVocabulary GamePractice Reading
