verb🔗Share뻣뻣하게 하다, 굳히다To make stiff."The cold weather caused the paintbrush to stiffen, making it difficult to use. "추운 날씨 때문에 붓이 뻣뻣해져서 사용하기 어려웠다.materialprocessChat with AIVocabulary GamePractice Reading
verb🔗Share굳어지다, 뻣뻣해지다To become stiff."After sitting at my desk all day, my back was stiffening. "하루 종일 책상에 앉아 있었더니 허리가 뻣뻣해지기 시작했다.bodyphysiologyChat with AIVocabulary GamePractice Reading
noun🔗Share경화, 굳힘An item, material or feature that makes something stiffer."The stiffening in the cardboard box made it strong enough to hold the fragile vase. "판지 상자의 경화는 깨지기 쉬운 꽃병을 담을 수 있을 만큼 튼튼하게 만들었습니다.materialitemtechnicalChat with AIVocabulary GamePractice Reading
