고집스러워요 · 고집스러웠어요 · 고집스러운 (+noun) (ㅂ irregular)
stubborn, obstinate, headstrong
Example
할아버지는 고집스러워서 병원에 안 가세요.
Grandpa is so stubborn that he won't go to the hospital.
Word parts
고 firm+집 hold
Literally 'holding firmly,' plus -스럽다 'full of.'
Good to know
In everyday speech, 고집이 세다 is the most common way to say 'stubborn.'
Related words