adjective🔗Share지칠 줄 모르는, 끈기 있는Extremely persistent and untiring."The indefatigable student studied all night, determined to master the challenging material. "지칠 줄 모르는 학생은 어려운 내용을 마스터하기 위해 밤새도록 공부했습니다.characterabilityattitudepersonChat with AIVocabulary GamePractice Reading
