억척스러워요 · 억척스러웠어요 · 억척스러운 (+noun) (ㅂ irregular)
tenacious, hardworking, gritty
Example
어머니는 억척스럽게 일해서 우리 삼 남매를 키우셨어요.
My mother worked tirelessly to raise us three kids.
Word parts
억척 'tenacity' + -스럽다 'having that quality'; evokes the tough, hardworking mothers of postwar Korea.
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