Intermediate Words lengthen in Korean: 늘이다’s meaning and pronunciation lengthen in Korean is 늘이다. For examples, you can use like [고무줄을 늘이다, 목을 늘이다]. In this post you will learn how to pronounce and use lengthen in Korean along with examples. 2022.12.21 Intermediate WordsIntermediate ㄴWordsㄴ